At 12 years old, Mark Zuckerberg built a messaging platform for his family called 'ZuckNet'

Mark Zuckerberg's dad is a dentist—but he originally wanted to work with computers

Mark Zuckerberg grew up in Dobbs Ferry in Westchester County, about 25 miles north of New York City. His father, Ed Zuckerberg, owned a practice connected to Mark's childhood home, but he was always fascinated by computers. Ed's family was the first in his neighborhood to have a color television, and Ed was an early adopter of computing technology—something that he passed on to Mark. (Some users may experience a paywall.)

In high school, Mark Zuckerberg rejected Microsoft's proposal to buy his music suggestion software for $950K

Mark Zuckerberg and Adam D'Angleo built a website called "Synapse," which created playlists for users based on their listening preferences and an algorithm to suggest new songs, in September 2002.

Facebook launched in a Harvard University dorm room in 2004

The controversial "FaceMash," where students rated each other's attractiveness, was the precursor to Mark Zuckerberg's social network. The platform rebranded as Meta after several acquisitions and a push into virtual reality, distancing itself from controversies.

Mark Zuckerberg credits some of Facebook's success to constant evolution

Before becoming the head of OpenAI, Sam Altman was the president of Y Combinator—a startup accelerator company that supported companies like Airbnb, DoorDash, and Coinbase. In 2016, Altman interviewed Zuckerberg about creating Facebook and its growth over time. Zuckerberg said that, unlike other companies (think: CourseMatch), Facebook kept growing and adding new features, which prevented the app from becoming obsolete.

Mark Zuckerberg's 2024 rebrand was dubbed the 'Zuckassaince'

Zuckerberg, like Apple cofounder Steve Jobs, wore the same, simple T-shirts and outfits for most of his early career to decrease the decisions he'd have to make on a daily basis. In 2024, Zuckerberg started wearing chunky gold chains around his neck and oversized T-shirts with slogans on them. Some say the "Zuckassaince" is an effort to rebrand Meta as a futuristic company, not just an old social media company for millennials.

Read Mark Zuckerberg and Priscilla Chan Zuckerberg's $45B letter to their daughter

After giving birth to their daughter, the Zuckerbergs launched the Chan Zuckerberg Initiative in 2015. The pair announced the charitable organization's creation in a letter addressed to their daughter. The Zuckerbergs pledged 99% of their earnings from Facebook over the course of their lives to advance education, cure disease, and transform public policy, something the letter says is a commitment to their daughter's future. The organization has since shifted its focus to artificial intelligence and science.

Facebook was almost sold to Yahoo! for $1B, but its CEO refused

The board tried to fire Mark Zuckerberg for his resistance, which he blames for failing to communicate the long-term vision of the company. He claims the company has succeeded by launching products quickly to learn faster than its competitors.

Mark Zuckerberg and Jesse Eisenberg met during Eisenberg's 'Saturday Night Live' monologue

When Jesse Eisenberg hosted "SNL" in 2011 ahead of an Academy Awards appearance for his portrayal of Zuckerberg in "The Social Network," Zuckerberg actually came on stage. That was the first time the two met, and many viewers said the interaction was awkward. Eisenberg tried to meet Zuckerberg before filming "The Social Network," but his producers told him he couldn't for legal reasons.

Elon Musk's first company was an online business directory called 'Zip2'

Musk started the online alternative to Yellow Pages in 1995 with his younger brother. Musk sold the company for $305M in 1999.

Three AI startup founders broke the record for the youngest self-made billionaire previously set by Mark Zuckerberg

Mark Zuckerberg became the youngest self-made billionaire in 2006 at 23 years old when Facebook held its initial public offering. In January of 2026, three AI startup founders—Brendan Foody, Adarsh Hiremath, and Surya Midha—broke Zuckerberg's record and became billionaires at 22 years old.

Executives at American Online wanted to shut down AIM

Despite not seeing value in a service that could not be charged for, executives were pushed by the development team behind AOL's Instant Messenger to keep it free, which helped it reach 36 million active users. Screenname selection and away messages allowed users to express their individuality, and the use of emoticons sets the tone for future internet communication.

The dot-com boom made Mark Cuban a billionaire

Cuban co-founded AudioNet with Todd Wagner in 1995 before it became Broadcast.com—a web app that allowed people to listen to sports commentary on their computers if they couldn't watch a game. In 1999, Yahoo bought Broadcast.com for $5.7B. By the time the market crashed, Cuban had already sold most of his stock in the company and had become a billionaire.

X is a social media platform focused on real-time communication and content sharing

Users post and interact through short messages known as tweets. As of February 2025, X receives over 4.83 billion monthly visits, with users spending an average of 34 minutes daily on the platform.

The Grateful Dead's online bulletin board system inspired the early internet

The legendary countercultural band the Grateful Dead had a popular hub on The Well, an online extension of the Whole Earth Catalog, a popular hippie magazine in the '60s and '70s. Users included Craig Newmark (founder of Craigslist), Steve Case (founder of AOL), and Steve Wozniak (cofounder of Apple).

A quick history of Tencent

The Chinese tech firm grew from a late 1990's internet messaging service to a globally influential conglomerate. It was China's first company to hit the $500B valuation mark, and now enjoys massive reach via WeChat, WeBank, and its robust investment portfolio.

The overnight collapse of Ello, a beloved, decade-old social network

Ello launched in 2014 with big dreams to avoid advertising and retain a user-friendly, simple style. But in 2023, the hip social network suddenly shut down, removing nine years of posts with no warning. Artists, writers, and other creators lost nearly a decade of work with no explanation. Read the troubling story here.

The payments tool Zelle was created by big banks to compete with apps like Venmo

Zelle is an alternative to Venmo, where people can pay each other back for expenses like apartment utilities or dinner. But its origin story has more to do with big finance than small transactions.

MuggleNet became the internet's largest 'Harry Potter' fan community

Launched in 1999, MuggleNet attracted millions of readers with news, theories, and fan-fiction. It helped define early online fandom, later expanding into podcasts, books and events.

Steve Jobs founded NeXT while on a break from Apple

While Steve Jobs was on a hiatus from working at Apple, he founded a company called NeXT and helped lead the release of its operating system NeXTSTEP. The operating system was used to create the first app store of sorts, as well as the first web browser.

AlexNet was the AI tipping point that set the stage for ChatGPT

AlexNet is a neural network created in 2012 that laid the groundwork for modern AI models. Before AlexNet, the ideas behind neural networks existed, but the computational power to run them didn’t.

Pizza Hut helped pioneer online food delivery

The company's PizzaNet website launched in 1994, allowing users to order pizza online for the first time. The service launched in select areas of Santa Cruz, California, though its servers were located in Kansas. Every order was relayed to the preferred branch in California, who would then call the user to confirm the order.

Roughly 62% of US adults under 30 say they use TikTok

A Pew Research Center publication reports that most members of Gen Z use the app. That's significantly more than other age groups: 39% for those ages 30 to 49, 24% for those 50 to 64, and 10% for those 65 and older.

A US Department of Defense research lab developed the technology for the dark web

Although encryption existed to mask the content of communications across the internet before the 1990s, those managing overseas network infrastructure could determine a spy's affiliation based on where they saw data sent to and received from. To keep this information secret, the US Naval Research Laboratory developed onion routing, which enabled anonymized web browsing. The release of the technology to the public obscured sensitive communications further by growing the volume of anonymous data.

‘Nipple-gate’ helped spark the creation of YouTube

After Justin Timberlake exposed Janet Jackson during Super Bowl XXXVIII, frustrated viewers searching for clips inspired Jawed Karim and his partners to build YouTube as a platform for sharing missed moments.

The Nasdaq was founded in 1971, marking the debut of electronic trading

The Nasdaq stock exchange arguably invented electronic trading, making it a key part of fintech history. It's often used as a benchmark for how the tech industry is performing.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

Some researchers have labeled nomophobia, the fear of being without your phone, as 'the phobia of the 21st century.'

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

Prince's sexually explicit 1984 track 'Darling Nikki' attracted the ire of the Parents Music Resource Center, an advocacy group that inspired the Parental Advisory sticker, even though the song ends with a Christian message.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

Coral reefs get their colors from zooxanthellae—microorganisms that line corals' digestive tracts and provide them with sugars in exchange for a home within this protective tissue.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Marburg virus, related to Ebola, is also extremely deadly, and has no available vaccine.