пятница, 22 мая 2026 г.

Dance - 16

 



Dance Butterfly tutorial



Ballroom dancing 2



CDK just showcased this absolute masterpiece

Тектонічний таймлапс - мільярд років історії Землі за 40 секунд

 



Тектонічний таймлапс за 40 секунд — це візуалізація руху літосферних плит Землі за останній мільярд років, де один кадр або секунда відео охоплює десятки мільйонів років геологічної історії.
Головні події, які можна побачити за 40 секунд:
  • 0:00 – 0:10 (1 млрд – 750 млн років тому): Родінія. На початку відео всі материки зібрані в один суперконтинент Родінія. Потім він починає розпадатися на частини, які швидко розлітаються в різні боки.
  • 0:10 – 0:20 (750 млн – 300 млн років тому): Блукаючі уламки. Уламки суші хаотично рухаються океаном. Північна Америка, Європа та Азія поступово зближуються, формуючи обриси майбутніх північних материків.
  • 0:20 – 0:25 (300 млн – 200 млн років тому): Пангея. Усі материки знову злітаються докупи, утворюючи гігантський суперконтинент Пангею, оточений єдиним океаном Панталасса. Це епоха появи перших динозаврів.
  • 0:25 – 0:35 (200 млн – 30 млн років тому): Сучасний розкол. Пангея тріскається. На відео чітко видно, як Південна Америка «відривається» від Африки, утворюючи Атлантичний океан. Індія на шаленій швидкості мчить на північ через увесь океан і врізається в Азію, «видавлюючи» вгору Гімалаї.
  • 0:35 – 0:40 (30 млн років тому – Сьогодення): Знайомий світ. Материки займають свої звичні місця. В останню секунду з'являється людство, чия історія на цьому таймлапсі триває менше за спалах одного пікселя.
Вчені з’ясували траєкторію руху материків завдяки поєднанню методів кількох наук. Головну роль у цьому відіграють «записи» у прадавніх скелях.
1. Палеомагнетизм (Природний компас Землі)
Це головний інструмент для реконструкції минулого.
  • Коли магма остигає та перетворюється на тверду породу, залізовмісні мінерали (наприклад, магнетит) вишикуються вздовж магнітних ліній Землі.
  • Вони застигають у такому положенні назавжди, фіксуючи магнітну північ та широту, на якій перебував материк у момент утворення цієї породи.
  • Вимірюючи кут цього «застиглого компаса» у стародавніх скелях різного віку, вчені вираховують, як материк рухався відносно полюсів.
2. Геологічні «пазли» та скам'янілості
Материки з'єднують між собою за принципом мозаїки:
  • Збіг гірських хребтів: Гірські породи на східному узбережжі Південної Америки ідентичні за віком та складом породам на західному узбережжі Африки. Вони утворилися як один ланцюг, що потім розірвався.
  • Сліди льодовиків: На сухих і теплих зараз територіях (Індія, Африка) знаходять сліди прадавніх льодовиків віком 300 млн років. Це доводить, що раніше ці шматки суші знаходилися біля Південного полюса.
  • Однакова флора і фауна: Рештки однакових прісноводних рептилій та рослин, які не могли перепливти океан, знаходять на різних континентах, що підтверджує їхнє колишнє з'єднання.
3. Радіоізотопне датування
Щоб дізнатися, до якого саме часу належить той чи інший «магнітний запис» або скеля, вчені використовують ураново-свинцевий або калій-аргоновий методи. Аналіз розпаду радіоактивних елементів у мінералах (наприклад, у цирконі) дозволяє визначити точний вік породи з похибкою всього у кілька мільйонів років.
Головним «двигуном» літосферних плит є внутрішнє тепло Землі. Величезні кам'яні плити товщиною до 100 км не просто плавають самі по собі — їх рухають потужні процеси, які відбуваються глибоко під ними, у мантії планети.
Цей процес забезпечують три основні сили:
1. Мантійна конвекція (Головний кругообіг)
Це процес, схожий на кипіння супу в каструлі.
  • Радіоактивний розпад елементів у ядрі Землі створює колосальну температуру.
  • Гаряча магма з глибин мантії стає легшою і повільно піднімається вгору, до земної кори.
  • Біля поверхні вона остигає, стає важчою і знову опускається вниз.
  • Ці кругові потоки (конвекційні комірки) працюють як гігантська конвеєрна стрічка, яка тягне за собою літосферні плити, що лежать зверху.
2. Затягування плити, або «Слаб-пул» (Slab Pull)
Це найпотужніша гравітаційна сила, яка діє в зонах субдукції (там, де плити зіштовхуються).
  • Коли важка океанічна плита врізається в легшу материкову, вона починає занурюватися під неї — йти вниз, у мантію.
  • Оскільки край плити холодний і дуже щільний, під дією сили тяжіння він починає швидко тонути.
  • Цей тонучий край працює як важкий якір: він буквально тягне за собою всю решту плити, яка ще знаходиться на поверхні.
3. Відштовхування хребтів (Ridge Push)
Ця сила діє на протилежному кінці плити — там, де вони розходяться (наприклад, посеред Атлантичного океану).
  • У тріщини між плитами піднімається гаряча магма, яка застигає і формує з серединно-океанічних хребтів нову кору.
  • Ці хребти дуже високі та гарячі. Під дією сили тяжіння нова, піднята вгору порода починає ковзати вниз по схилу хребта.
  • Цей рух створює бічний тиск, який відштовхує плити в різні боки від місця розлому.

Наступний суперконтинент: Пангея Ультима (через 250 млн років)

Через 250 мільйонів років літосферні плити знову об'єднають усю сушу в один гігантський суперконтинент — Пангею Ультима (або Пангею Проксіма), а коли надра планети остаточно охолонуть, Земля геологічно «помре» і перетвориться на мертву пустелю, схожу на Марс.

Рух континентів є циклічним, і комп'ютерне моделювання показує наступний сценарій його розвитку:

·        Зникнення океанів: Атлантичний та Індійський океани повністю закриються. Америка рушить назад на схід і зіштовхнеться з Африкою та Євразією.

·        Вигляд суперконтиненту: Суша утворить єдиний масив, переважно розташований уздовж екватора. У самому центрі цього суперконтиненту залишиться невелике затиснуте внутрішнє море — залишок колишніх океанів.

·        Нова карта світу: Африка вріжеться в Європу, на місці Середземного моря виростуть гори, вищі за Гімалаї. Австралія та Антарктида попливуть на північ та з'єднаються з Азією.

·        Пекельний клімат: За прогнозами вчених, Пангея Ультима стане майже непридатною для життя ссавців. Зіткнення континентів спровокує масові виверження вулканів, які викинуть в атмосферу величезну кількість CO2. Через це, а також через природне старіння та нагрівання Сонця, температура в центрі суперконтиненту сягатиме +60 +70°C, перетворюючи його на суцільну пустелю.

Що станеться, коли надра Землі остаточно остигнуть?

Через кілька мільярдів років радіоактивні елементи всередині Землі розпадуться, мантійна конвекція зупиниться, і планета втратить своє внутрішнє тепло. Це призведе до глобальної катастрофи:

1.     Зупинка тектоніки: Літосферні плити назавжди замруть у своєму останньому положенні. Гори більше не будуть підніматися.

2.     Смерть магнітного поля: Зовнішнє рідке ядро Землі застигне. Без його обертання зникне геомагнітне поле (магнітосфера), яка захищає планету від смертоносної сонячної радіації.

3.     Втрата атмосфери та води: Сонячний вітер, не зустрічаючи опору магнітного поля, почне буквально здувати атмосферу Землі в космос, як це колись відбулося з Марсом. Слідом за атмосферою випаруються та полетять у космос океани.

4.     Космічна ерозія: Без вулканів і тектоніки, які оновлюють поверхню, вітер і рідкісні космічні удари за мільйони років згладять усі існуючі гори. Земля перетвориться на ідеально рівну, холодну, суху та випалену радіацією кам'яну кулю.


четверг, 21 мая 2026 г.

58 people who invented something huge, cashed out, and disappeared. Part 3.

 


23. Radia Perlman
© Wikipedia

Key Achievements
  • Known as the "Mother of the Internet" for her foundational contributions to networking.
  • Invented the Spanning Tree Protocol (STP), which is fundamental to the operation of network bridges and prevents loops in Ethernet networks.
  • Developed robust and scalable link-state routing algorithms, including IS-IS (Intermediate System to Intermediate System).
  • Made significant advancements in network security, specifically in design aspects of data encryption and secure network communication.

Also, innovations in security including distributed algorithms resilient against malicious participants, assured expiration of data from storage, and PKI trust models.

Научная и профессиональная деятельность:

·        Автор знаменитых учебников «Interconnections» (по сетевой маршрутизации) и «Network Security» (по криптографии).

·        Обладает более чем 200 патентами в США.

·        Работала в таких компаниях, как DEC, Sun Microsystems, Intel, а в настоящее время является почетным сотрудником (Fellow) в Dell Technologies. [1, 2]

Признание: Включена в Зал славы Интернета (2014) и Национальный зал славы изобретателей США (2016).


24. Marc Randolph
© Wikipedia

  • He is the co-founder and original CEO of Netflix.
  • He is a Silicon Valley entrepreneur who has helped start over half a dozen successful tech companies.
  • He is also an author known for his book "That Will Never Work", which details the birth of Netflix.
  • Marc Randolph currently works as a serial advisor, angel investor, keynote speaker, and podcast host rather than holding a single traditional corporate job.

    Where He Is Working Now

    Randolph focuses his time on mentoring early-stage founders and guiding emerging companies:

    ·        Startup Advisor & Board Member: He serves on multiple corporate and non-profit boards. Notably, he recently joined the experiential collectibles company Oh YAAS as an advisor. He was also an early board member and investor in Looker Data Sciences (which Google acquired for $2.6 billion).

    ·        Media & Content: He hosts the top-ranking entrepreneurial podcast That Will Never Work and serves as a judge/investor on Entrepreneur Magazine's Elevator Pitch series.

    ·        Keynote Speaking & Authorship: He travels globally to deliver business keynotes and manages the "Neverland" entrepreneur community on Discord.

    Why He Didn't Get "Huge Cash" (Compared to Co-Founder Reed Hastings)

    While Marc Randolph is still very wealthy—with an estimated net worth of around $100 million—his payout is significantly smaller than his co-founder Reed Hastings, who is worth billions. The reasons for this disparity come down to strategic decisions made during the early days of Netflix:

     

    1. The Early CEO Transition

    In 1998, just a year after launching, Reed Hastings felt Randolph lacked the skills to scale Netflix into a massive corporation. Following a frank presentation, Randolph agreed to step down as CEO, became President, and surrendered 650,000 shares of stock back to the company as part of the re-structuring. Hastings took over the top executive role, positioning himself for the lion's share of future equity.

    2. He Left Before Netflix Exploded

    Randolph officially left Netflix in 2003, shortly after its Initial Public Offering (IPO), and long before the platform launched its revolutionary video-streaming service in 2007. Because he left the company early, he missed out on the historic, compounding growth that drove Netflix's valuation to hundreds of billions of dollars.

    3. He Cashed Out Early

    Upon leaving the board, Randolph sold the vast majority of his remaining Netflix stock. He explained that a sitting board member unloading massive amounts of shares can scare investors and tank the stock price, so he waited until he was fully detached to sell. If he had held onto those shares until today, they would be worth billions.

    4. His View on Success

    Randolph has explicitly stated that his goal was never to become a billionaire. He describes himself as an "early-stage guy" who loves the messy, chaotic process of starting a business from scratch. Once a company scales and requires strict corporate management, he loses interest and happily passes the torch to others.


    25. Rob Kalin
    © Wikipedia

    Rob Kalin gained widespread recognition as the chief founder of the global online marketplace Etsy, which he launched with his partners in June 2005 in Brooklyn, New York.

    Key Facts About Rob Kalin:

    • The Idea: As an artist and woodworker, Rob struggled to find a suitable online platform to sell his unique handmade items. This inspired him to build a dedicated website for independent artisans.

     

    • The Name: Kalin chose the word "Etsy" while watching Federico Fellini's film . He misheard the Italian phrase "eh, sì" (meaning "oh, yes") as "etsi" and liked how it sounded.

     

    • Leaving the Company: Kalin led the company during its phase of explosive growth but permanently stepped down as CEO in 2011. Since then, he has returned to a private lifestyle, focusing on crafts, baking, and furniture making in upstate New York.

     

    Why Rob Kalin Left Etsy

    Rob Kalin did not leave voluntarily; he was ousted as CEO by Etsy’s board of directors in July 2011. The dismissal resulted from structural and personal factors during the startup's growth:

    • Inability to Scale: As Etsy expanded exponentially, Kalin lacked the corporate management skills required to run a massive enterprise. Analysts and board members determined the company required professional executive leadership to handle its growing pains.

     

    • Erratic Management Style: Kalin was a self-described eccentric who often prioritized artistic philosophies over business operations. His technical co-founders grew frustrated by his unpredictable ideas (like broadcasting live workshop videos) while they were struggling just to keep the website from crashing.

     

    • Clash Over Values: Kalin openly resisted aggressive commercialization. When he returned for a brief second stint as CEO, he told employees he wanted to restore "a sense of wonder, poetry, and foolishness" to Etsy. This idealistic philosophy clashed directly with investors pushing for mainstream growth and profitability.

    Financial Impact and Income Lost

    • Diluted Ownership: Because Kalin stepped away from operational roles early and went through multiple rounds of venture capital financing, his equity was heavily diluted. By the time Etsy went public (IPO) in 2015, Kalin owned less than 1% of the company.

     

    • Missed Billion-Dollar Valuation: Etsy's valuation soared to over $4 billion during its IPO debut and peaked significantly higher in the following years. Had Kalin remained an active executive with a standard founder's stake (typically 10–20%), his personal net worth would have been worth hundreds of millions of dollars higher than what he walked away with.

     

    • Forfeited Salary: By removing himself from the corporate payroll and executive track in 2011, he immediately walked away from a competitive CEO executive salary, performance bonuses, and stock options tied to the company's future revenue milestones.



    26. Satoshi Nakamoto
    © Wikipedia

    Satoshi Nakamoto is the pseudonym used by the anonymous creator (or group of creators) of Bitcoin.

    Who He Is and What He Did

    In October 2008, Satoshi published the historic white paper titled "Bitcoin: A Peer-to-Peer Electronic Cash System". On January 3, 2009, he launched the network by mining the very first block—the Genesis Block—which embedded a news headline about bank bailouts as a statement against centralized financial institutions. He single-handedly developed the foundational blockchain database and code. After collaborating online with a small group of cryptographers for two years, Satoshi stepped away from the project entirely in December 2010, leaving a final message stating he had "moved on to other things."

    Why He Remains Anonymous

    Satoshi's decision to remain a ghost was both tactical and ideological:

    ·        Decentralization: If Bitcoin had a visible leader, that person could influence the system or be used as a central point of failure. Anonymity ensures people trust the protocol, not an individual.

     

    ·        Legal and Legal Safety: Creating an alternative global currency system posed severe legal risks from governments and central banks.

     

    ·        Personal Security: Avoiding extortion, physical kidnapping, and intense media scrutiny.

     

    Does He Have a Business or Income?

    Satoshi Nakamoto does not run an active company or business empire related to Bitcoin. He does not collect transaction fees, royalties, or corporate revenues from the network. Bitcoin is open-source code; no one "owns" it.

    Estimating Satoshi's Fortune

    We can accurately map out Satoshi's massive wealth because the Bitcoin blockchain is a completely public ledger.


    •  The Method: Blockchain researchers identified a distinct, early mining signature called the "Patoshi Pattern." In 2009, when Satoshi was practically the only person running the network, he mined roughly 1.1 million Bitcoins across thousands of addresses. 

    •  Current Net Worth: Because the coins remain untouched, his wealth fluctuates directly with the market value of Bitcoin. At current market prices, his stash is valued between $75 billion and $130 billion, making him one of the wealthiest entities on Earth.


    27. Pierre Morad Omidyar
    © Wikipedia

    Pierre Morad Omidyar is a French-born Iranian-American billionaire entrepreneur, software engineer, and philanthropist. Born in Paris in 1967, he immigrated to the United States as a child and earned a degree in computer science from Tufts University in 1988. He is globally recognized as the pioneer who revolutionized e-commerce by founding eBay.

    Main Achievements

    ·        Founding eBay: In September 1995, Omidyar wrote the original code for "AuctionWeb," a site built on the belief that people are inherently good and can safely do business together based on trust. The platform was later renamed eBay.

     

    ·        Overnight Billionaire Status: Following eBay’s successful Initial Public Offering (IPO) in 1998, Omidyar became a billionaire at just 31 years old.

     

    ·        Massive Philanthropic Footprint: He co-founded the Omidyar Network in 2004, an impact investment firm and philanthropic venture that has deployed over $1.5 billion into nonprofits and social changes. He is also a signatory of The Giving Pledge, committing to donate the majority of his wealth.

     

    ·        Independent Journalism: He founded First Look Media and Honolulu Civil Beat, heavily funding investigative journalism and media accountability.

    Current Relationship with eBay

    ·        Director Emeritus: Omidyar stepped down from eBay's Board of Directors in 2020 during a broader company overhaul. He no longer holds operational or governance duties but maintains the honorary title of Director Emeritus.

    ·        Shareholder: While he historically sold off or gifted massive portions of his shares to fund charity, he remains one of eBay's largest individual shareholders.

     

    What is He Doing Now?

    Omidyar lives a quiet, low-profile life in Hawaii and Nevada, intentionally staying out of the tech-celebrity spotlight. His daily activities center heavily around The Omidyar Group:

    ·        Tech Regulation & AI Advocacy: His current primary focus is funding initiatives to regulate big tech corporations and loosen Silicon Valley's monopoly on Artificial Intelligence (AI) development, shifting the technology to benefit underrepresented communities.

     

    ·        Real Estate: He owns luxury resort properties in California and is actively developing major real estate projects in Cabo San Lucas, Mexico.

    Did He Lose or Gain After Leaving eBay?

    He gained exponentially. Leaving operational roles at eBay allowed his wealth and global influence to compound significantly:

    ·        Financial Gain: When eBay went public in 1998, his stock value made him worth around $4.45 billion. Despite leaving the board and giving away billions to charity, his net worth has grown to approximately $11.8 billion to $12.6 billion, largely bolstered by cash reserves, early investments, and the historic spin-off of PayPal.

    ·        Societal Gain: Stepping away from corporate management gave him the freedom to pivot from "tech executive" to one of the world's most powerful behind-the-scenes philanthropists, successfully funding global initiatives in civic tech, human rights, and political reform.



    28. Michel Krieger
    © Wikipedia

    Michel "Mike" Krieger is a Brazilian-born software engineer and entrepreneur best known as the co-founder and former Chief Technology Officer (CTO) of Instagram

    Brief Biography & Main Achievements

    Early Life & Education: Born in São Paulo, Brazil, in 1986. He moved to California in 2004 to study Symbolic Systems at Stanford University, focusing on the intersection of computer science and human psychology.

    The Launch of Instagram: In 2010, Krieger teamed up with Kevin Systrom to build a location-based app called Burbn. Realizing it was too complicated, they stripped it down to focus strictly on photo-sharing, filters, and comments—rebranding it as Instagram. Krieger wrote the initial code for the iOS app. 

    Engineering Scale: As CTO, Krieger engineered one of the most famous rapid-scaling feats in tech history. Under his leadership, the platform grew from a few million users to over 1 billion monthly active users while scaling his infrastructure team from just 6 developers to over 300 engineering specialists. 

    The Facebook Sale: In 2012, just two years after launch, Krieger and Systrom sold Instagram to Facebook (now Meta) for $1 billion. 

    Current Relations with Instagram

    Krieger has no current ongoing relationship or operational ties to Instagram or Meta. Due to escalating tensions with Meta leadership over the app's autonomy and product direction, Krieger and Systrom resigned and walked away entirely in September 2018.

    Current Activities

    Krieger has deeply transitioned his attention from consumer social apps into foundational AI development:

    Anthropic AI: In May 2024, Krieger joined Anthropic, the high-profile artificial intelligence safety and research company behind the Claude LLM models. He initially served as the company's first Chief Product Officer (CPO) to scale Claude into an enterprise powerhouse. In early 2026, he transitioned to lead Anthropic Labs, a hands-on division focused on incubating experimental, frontier products using Claude's core models. 

    Board Seats: He joined the board of the design software company Figma in July 2025. 

    Past Interim Ventures: After leaving Instagram, he built Rt.live (a COVID-19 tracker app) in 2020 and Artifact (an AI-driven news reader app) in 2023, both alongside Systrom. Artifact was shut down in early 2024 right before Krieger transitioned to Anthropic. 

    Did He Lose or Gain After Leaving Instagram?

    Financially, professionally, and personally, Krieger substantially gained from his departure:

    Financial Standing (Gain): The $1 billion acquisition by Meta netted Krieger several hundred million dollars initially. Leaving Meta allowed him to freely diversify his assets. Supported by his early venture investments, his net worth has grown to an estimated $700 million to $1.2 billion. 

    Professional Stature (Gain): Instead of remaining an executive inside Meta's massive corporate infrastructure, Krieger retained his reputation as an independent, elite product architect. By capturing a foundational product leadership role at Anthropic—one of the central pillars of the global AI race—he has secured a highly influential seat at the frontier of technology. 

    Creative Freedom (Gain): Krieger has frequently noted that he is a "builder at heart". Leaving Instagram granted him the freedom to pivot away from corporate governance and dive straight into coding, product design, and prototyping cutting-edge artificial intelligence. 



    29. Jonathan Abrams
    © Wikipedia


    Jonathan Abrams is a Canadian programmer, serial entrepreneur, and venture capitalist based in Silicon Valley. He went down in tech history as the creator of Friendster, the world's first modern, mass-market social network that laid the groundwork for MySpace and Facebook.

    Here is the brief story of his achievements, financial outcomes, and current activities.

    Main Achievements and Projects

    1. Friendster (2002): Abrams' biggest triumph and ultimate tech drama. He pioneered the concept of connecting real people through a web of "friends and acquaintances" instead of anonymous chat rooms. The site grew exponentially, becoming a cultural phenomenon and attracting over 100 million users.

    2. Social Media Patents: Abrams personally developed and patented the fundamental technology for connecting online users based on their real-world relationships.

    3. Subsequent Startups: After leaving Friendster, he founded the event planning platform Socializr (2005) and the highly acclaimed personalized news aggregator Nuzzel (2012), which was a favorite tool among journalists and media professionals.

    Financial Outcome: Did He Lose or Gain?

    Jonathan Abrams' story is one of Silicon Valley's most famous cautionary tales. Financially, he missed out on monumental wealth, though he did not walk away completely empty-handed.

    • The Missed Billion: In 2003, just a year after Friendster launched, Google offered to buy the company for $30 million in Google stock. Influenced by his venture capital investors, Abrams rejected the deal to keep the company independent. Had he accepted, those shares would have been worth billions of dollars following Google's IPO.

    • Loss of Control: In 2004, the board of directors removed Abrams as CEO due to severe server crashes and scaling issues. Subsequent funding rounds heavily diluted his ownership stake.

    • What He Actually Made: Abrams managed to cash out roughly $5 million in secondary stock sales during an early Friendster investment round. Later, in 2010, Facebook bought Friendster’s patent portfolio (including Abrams' original patents) for $40 million, which provided payouts to the remaining stakeholders.

    Current Relationship with Founded Projects

    Today, Jonathan Abrams has no ongoing connection to any of the major projects he founded:

    • Friendster: Sold to the Malaysian company MOL Global for $100 million in 2009, pivoted into a social gaming site, and was officially shut down in 2015.

    • Socializr: Closed down after failing to compete with Facebook and Evite.

    • Nuzzel: Successfully acquired by the subscription platform Scroll in 2019, which was later absorbed by Twitter (now X).

    What He Is Doing Now

    Jonathan Abrams has fully transitioned into supporting the next generation of tech founders:

    • Venture Capital: He is the co-founder and Managing Partner of 8-Bit Capital, a venture firm investing in early-stage technology startups.

    • Business Incubation: He runs Founders Den, a prominent shared workspace and exclusive club for startups and investors located in San Francisco.

    • Angel Investing: He has personally invested in over 50 companies, including major tech names like Instacart and Docker.



    30. David Baszucki
    © Wikipedia

    David Baszucki (known on his platform as "Builderman") is a Canadian-born American entrepreneur, engineer, and software developer. Born in 1963, he graduated from Stanford University with a degree in electrical engineering. He is globally recognized as the co-founder and current CEO of Roblox Corporation, the massive social gaming and metaverse platform.

    Main Achievements

    • Co-Founding Roblox: Alongside the late Erik Cassel, Baszucki launched Roblox in 2006. He pioneered the concept of "virtual human co-experience," building a cloud-based platform where users generate their own 3D multiplayer games.
    • Scaling a Global Phenomenon: Under his leadership, Roblox has grown exponentially, surpassing 83 million daily active users who spent over 73 billion hours on the platform annually.
    • Taking Roblox Public: He successfully navigated Roblox’s direct listing on the New York Stock Exchange (NYSE) in March 2021, driving the company to multi-billion dollar valuations.
    • Knowledge Revolution: In 1989, he co-founded an educational software company that created Interactive Physics. It became a standard in physics classrooms before being acquired for $20 million in 1998.

    Current Relationship with His Companies

    • Roblox Corporation: Unlike Pierre Omidyar, who stepped away from eBay, Baszucki remains fully active as the Chief Executive Officer (CEO) and President of Roblox. He manages the day-to-day operations, product vision, and global strategy. He is also one of the largest individual owners of the company.
    • Knowledge Revolution & MSC Software: He has no active relation to his first company. After selling it to MSC Software in 1998, he briefly served as Vice President and General Manager, but left shortly thereafter to pursue angel investing and ultimately build Roblox.

    What is He Doing Now?

    • Pioneering AI and Global Safety: His immediate operational focus at Roblox centers around steering the platform's future. This includes rolling out advanced AI age-estimation safety features for younger users and scaling the creator economy, which paid out nearly $1 billion to independent developers.
    • Mental Health Philanthropy: Through the Baszucki Group (co-founded with his wife Jan Ellison), he has dedicated hundreds of millions of dollars to funding groundbreaking medical and neuropsychiatric research. He committed $150 million to initiatives seeking to understand and treat bipolar disorder through metabolic and mental health interventions.

    Has He Lost or Gained After Leaving Previous Projects?

    ·        He has gained exponentially, both financially and in terms of societal impact. [Financial Gains: Leaving MSC Software (following the acquisition of Knowledge Revolution) was a massive financial catalyst. While Knowledge Revolution was sold for $20 million, the pivot to building Roblox elevated his personal fortune to an entirely different scale. Forbes estimates his net worth to be between $5.0 billion and $5.6 billion, firmly cementing him as a multi-billionaire.

    • Career and Creative Gains: Baszucki has openly shared that after selling his first company, he briefly felt "adrift" and expected to simply be hired into another executive role. When that didn't happen, he trusted his gut to build his own reality. Stepping away from his previous corporate constraints gave him the exact freedom required to write the initial simulation code that birthed the modern metaverse. 

    31. Theodore Harold Maiman
    © Wikipedia

    Theodore Harold Maiman (July 11, 1927 – May 5, 2007) was an American engineer and physicist. He is internationally celebrated as the father of electro-optics for constructing the world's very first operational laser. Armed with a unique blend of engineering skills and a PhD in physics from Stanford University, Maiman successfully bypassed the theoretical doubts of his peers to achieve what many thought was impossible.

    Main Achievements

    • Invention of the First Working Laser: On May 16, 1960, while working at Hughes Research Laboratories, Maiman fired the first operable laser. His design used a synthetic, pink ruby crystal cylinder as a medium and a high-intensity helical xenon flash lamp to produce a brief, highly focused pulse of coherent, monochromatic red light.
    • Simplifying Complex Technology: While major competitors were spending millions of dollars on overly complicated setups, Maiman’s entire prototype was famously built on a highly cost-efficient budget of roughly $50,000.
    • Maser Advancements: Before creating the laser, he significantly improved the performance, design, and practical utility of the solid-state ruby maser for the U.S. Army.

    What Did He Gain From His Invention?

    Maiman's immediate financial compensation from the direct patent was remarkably small, but it served as a launchpad for lasting professional independence, corporate success, and global prestige:

    • Initial Corporate Payout: Maiman was granted US Patent No. 3,353,115 for his "Ruby Laser Systems". Because he invented it while employed at Hughes Aircraft Company, the rights belonged to the company; Maiman was paid a token sum of just $300 for assigning the patent to them, despite it becoming one of the corporation's most lucrative assets. []
    • Business Wealth: Frustrated by his employer’s hesitation to commercialize the technology, Maiman left to found his own business ventures. In 1962, he formed the Korad Corporation, which became the market leader in laser research and production. He later sold it to Union Carbide at a substantial profit, securing true personal wealth and launching several subsequent high-tech venture capital companies.
    • Elite Scientific Recognition: While he was famously bypassed for the Nobel Prize (partially due to intense legal disputes surrounding early laser concepts), he gained immense international prestige. He was nominated for the Nobel Prize three times, won the Wolf Prize in Physics (1983/84), and received the Japan Prize (1987)—often regarded as the East's equivalent to the Nobel. He was also inducted into the National Inventors Hall of Fame. 

    32. Jeff Dean
    © Wikipedia

    Jeff Dean is an American computer scientist, software engineer, and a legendary figure in modern computing. As Google’s 30th employee, he masterminded the backend infrastructure that allowed the search engine to handle planetary-scale data and pioneered the infrastructure powering the ongoing artificial intelligence revolution.

    Who is Jeff Dean?

    Born in 1968, Jeff Dean holds a Ph.D. in Computer Science from the University of Washington. He joined Google in mid-1999. Within the tech community, he has earned a cult-like status akin to Chuck Norris. Engineers frequently share "Jeff Dean Facts" to joke about his optimization skills (e.g., "The speed of light used to be 35 mph until Jeff Dean spent a weekend optimizing physics"). He is one of only two people to hold Level 11 "Senior Fellow" status at Google, a rank equivalent to Senior Vice President.

    Main Achievements

    • Scale and Infrastructure: Alongside Sanjay Ghemawat, he co-designed and implemented MapReduce, BigTable, and Spanner. These software frameworks revolutionized how huge clusters of computers process immense volumes of data, serving as the blueprint for modern cloud computing and big data industries.
    • AI Revolution & TensorFlow: He co-founded Google Brain in 2011, establishing Google's early dominance in deep learning. He led the creation of TensorFlow, which became one of the most widely used open-source machine learning libraries in the world.
    • AI Hardware (TPUs): Realizing that standard processors could not handle massive neural network computational demands, Dean championed the development of Google's Tensor Processing Units (TPUs), custom chips designed specifically to accelerate AI workloads.
    • Transformers and Gemini: He oversaw the Google Brain team that created the Transformer architecture in 2017—the fundamental framework behind all modern LLMs, including ChatGPT.

    What is He Doing Now?

    Jeff Dean serves as the Chief Scientist at Google DeepMind and Google Research. He stepped into this role in 2023 following a major structural reorganization that merged the Google Brain and DeepMind divisions into a single unified unit. Currently, he actively co-leads the development of the Gemini model family, researches multi-modal AI agents, and focuses on optimizing computing efficiency to make next-generation AI infrastructure sustainable. He also quietly serves as an active angel investor and mentor within the AI startup ecosystem.

    What Did He Gain From His Inventions?

    • Financial Wealth: Having joined Google in its earliest months, his accumulated stock options and compensation packages have made him immensely wealthy. Financial estimations place his net worth well over $100 million. He commands an elite compensation structure, pulling in an estimated $10M–$20M annually in total compensation.
    • Global Recognition & Prestige: He is widely recognized as one of the most consequential computer scientists of the 21st century. He was elected to the prestigious National Academy of Engineering (2009) and has won top industry honors, including the ACM Prize in Computing and the SIGOPS Mark Weiser Award.
    • Philanthropic Impact: Using his wealth, he established the Hopper-Dean Foundation. The foundation funds millions of dollars in grants to universities globally to expand diversity, equity, and access to STEM and computer science education. 

    32. Severin Hacker
    © Wikipedia

    Severin Hacker is a Swiss-American computer scientist and entrepreneur, best known as the co-founder and Chief Technology Officer (CTO) of Duolingo, the world's most popular language-learning platform. Born in Switzerland in 1984, he completed his undergraduate studies in Computer Science at ETH Zurich before moving to the United States to earn his Ph.D. at Carnegie Mellon University (CMU).

    Main Achievements

    • Co-founded Duolingo: In 2011, alongside his Ph.D. advisor Luis von Ahn, he created Duolingo with the mission to make high-quality education universally accessible and free.
    • Technical Architecture & Gamification: Hacker architected the technical framework of the app. He championed intensive A/B testing and algorithmic machine learning to structure gamified lessons, resulting in industry-leading retention and engagement rates.
    • Successful IPO: He guided Duolingo through a successful NASDAQ public listing in July 2021. The platform expanded its scope to include math and music lessons.
    • Industry Accolades: He was named among the "Top Innovators Under 35" by the MIT Technology Review and honored as an "Entrepreneur of the Year" by One Young World.

    What is He Doing Now?

    Hacker serves as Duolingo's CTO and Board Member. He leads the technical engineering of the company, focusing heavily on shifting the application toward AI-driven, adaptive learning features. Additionally, he serves as an active angel investor and tech advisor, backing young technology, AI, and robotics startups.

    Financial and Career Gains

    • Billionaire Status: Because Duolingo was his first ever job and his initial major invention, the bulk of his financial gain came from this single success. Following Duolingo's post-IPO growth, Forbes listed his net worth in the billion-dollar tier (estimated at roughly $1.2 billion).
    • Equity and Stock Transactions: He retains valuable equity in Duolingo Inc. while occasionally liquidating small percentages of shares through planned insider stock sales.
    • Investment Portfolio Growth: His financial returns from Duolingo allowed him to accumulate wealth and expand into venture capitalism, gaining equity in high-growth companies spanning autonomous robotics (IAM Robotics), travel tech (ViaHero), and customer-support generative AI (Decagon).