Mark Zuckerberg testified before Congress eight times between 2018 and 2024

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 apologized for not doing enough to stop the spread of misinformation on Facebook ahead of the 2016 election

Leading up to the 2016 election, misinformation about both Donald Trump, Hillary Clinton, and even Barack Obama flourished on Facebook. In the final stretch leading up to the election, more than one-quarter of Americans visited a fake news site supporting either Trump or Clinton. Many fake news studies have widely different methods of measuring and assessing the impact of fake news, so the actual impact it had in the 2016 election is unclear.

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.

Randi Zuckerberg, Mark's sister, was Meta's first marketing director

Randi is two years older than Mark and also attended Harvard before working in advertising. Before joining Facebook, Randi worked in digital advertising at Ogilvy & Mather. In 2018, Randi attracted criticism for saying Holocaust deniers shouldn't be banned on Facebook. She's also previously been criticized for her own seemingly contradictory sentiments on Facebook's privacy rules.

Meta disclosed Mark Zuckerberg's interest in martial arts as an investment risk

During the pandemic, Zuckerberg began practicing Brazilian jiu-jitsu and even won gold and silver medals at his first tournament in 2023. His interest in martial arts and water sports, like wakesurfing and hydrofoiling, prompted the company to disclose those hobbies as risks for potential investors, given they pose a threat to Zuckerberg's health and he retains a significant amount of control over Meta.

Mark Zuckerberg has nearly exclusive decision-making authority in Meta

Meta has a dual-class stock structure, meaning there are two types of stock that have different voting rights. Zuckerberg owns 90% of the company's Class B stock, which is allotted 10 votes per share, whereas Class A shareholders get one vote per share. He's also the CEO and the chairman of the board, meaning Zuckerberg has majority control over the company. (Some users may experience a paywall.)

Mark Zuckerberg demos the Quest 3 VR headset

Meta, back when the company was still known as Facebook, once tried and failed to launch a smartphone. With the arrival of the mixed reality era, the company decided to make another hardware play again—and this time, it's having better luck. Meta's aggressively priced Quest headsets offer VR for the masses, and here CEO Mark Zuckerberg shows off the new mixed reality experiences and more available with the latest version, the Quest 3.

Around 87 million users were impacted by Facebook's Cambridge Analytica scandal

Cambridge Analytica, a consulting firm with Russian and conservative ties, harvested data from Facebook users through a research tool that tracked interests across social connections on Facebook. Those profiles were used for targeted ad campaigns supporting Donald Trump in 2016 and pro-Brexit ads. A whistleblower originally said the private data of more than 50 million Facebook users was compromised, but a Facebook officer later estimated the number was around 87 million. Facebook settled the class-action lawsuit over the privacy breach for $725M in 2022.

Harvard awarded Mark Zuckerberg an honorary degree in 2017

Mark Zuckerberg received an honorary degree from Harvard when he returned to the university to give a commencement speech. In his speech, he talked about wealth, racial inequality, political instability, and creating a sense of purpose.

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.)

Before 'The Facebook', Mark Zuckerberg made 'Facemash.com'

During Mark Zuckerberg's sophomore year at Harvard, he built a website that allowed users to rank and rate people's pictures from the school's online "facebooks" called Facemash.com, which quickly went viral. He was placed on academic probation for violating the school's rules around data, privacy, and computer usage. Zuckerberg says the website was a prank and he never intended for so many people to see it. FaceMash is credited with being the predecessor to Facebook.

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.

Mark Zuckerberg was nearly fired from his own company after refusing to sell Facebook to Yahoo for $1B

In 2006, Yahoo tried to buy Facebook for $1B. Despite enthusiasm from nearly all of Facebook's management team and board (which included PayPal cofounder and famed investor Peter Thiel at the time), then 22-year-old Zuckerberg turned down the offer, insisting that Yahoo undervalued the company and didn't have a clear vision for the future. Zuckerberg has since said he regrets not being clear about his intentions to grow the company with his team before the Yahoo bid, as almost all of the company's management team left after he turned down the offer.

Mark Zuckerberg attended one of the most prestigious prep schools in America

Phillips Exeter Academy in New Hampshire is one of the most prestigious private preparatory schools in the US. Zuckerberg attended the academy from 2000 to 2002 and was captain of the fencing team.

Nonstop posting by Elon Musk provides calculated political and brand messaging

For a week in August 2024, Musk posted 650 times, including reactions to far-right influencers; promotion of his AI tool, Grok; and support for controversial political takes. He livestreamed himself playing Diablo IV for hours during that same week.

Trump has extended TikTok's sale deadline three times

In 2024, US lawmakers passed a requirement for parent company ByteDance Ltd. to sell TikTok or face a ban in the country, which the company challenged in court. In early 2025, the law took effect, though President Trump paused it three separate times, affording the company more time to sell.

Tim Cook refused to give the FBI a backdoor into iPhones during a terrorism case

The Apple CEO's refusal to comply with the government's request was viewed as controversial, despite support from privacy advocates. The FBI would later back down, claiming to have gained access to the device without disclosing additional details.

Jeff Bezos was the richest person in Florida as of April 2025

Mark Zuckerberg was the richest person in California at the time, with a net worth of roughly $189B. This map shows the richest person in every US state.

Despite being favored by 87% of Americans, Congress does not have term limits.

A vast majority of Americans support term limits for Congress

In a 2023 poll, 87% of respondents said they supported imposing term limits on members of Congress. The overwhelming bipartisan backing makes term limits one of the most consistently popular political reforms in the United States.

The congressman who spied for Russia

Sam Dickstein remains the only known member to have served in Congress while actively being on the payroll of a foreign adversary. The revelation came in 1999 upon the release of thousands of KGB documents.

Donald Trump was impeached a second time for incitement of insurrection after Jan. 6

Following the Jan. 6, 2021, Capitol attack, the House impeached Trump for inciting violence against the US government. The Senate acquitted him on Feb. 13, 2021. He is the only president who has been impeached twice.

Since its inception in 1938, Congress has raised the federal minimum wage 22 times

If you want all the details about when and why these rate increases happened check out this resource from the US Department of Labor.

Listen to Keith Gill's testimony from the GameStop hearing

"I am not a cat, I am not an institutional investor, nor am I a hedge fund." That's how Keith Gill, aka Roaring Kitty, kicked off his testimony before Congress on the wild trading action in GameStop stock. Lawmakers took notice of the meme stock craze, and the collapse of hedge fund Melvin Capital, opening up an investigation into what exactly moved so much money.

Watch a cybersecurity expert answers questions about hacking

From firewalls and VPNs to ransomware and viruses, IBM Distinguished Engineer Jeff Crume has seen many changes in cybersecurity during his 40 years of IT experience. In this video, he explores some of the most significant hacking events in history and provides advice on protecting yourself online.

See the day in the life of a lawmaker

This video tracks Mark Alford, who has represented Missouri's 4th district in the United States House of Representatives since 2023, offering a firsthand look at the pace, travel, and daily demands of congressional life.

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.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

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.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

11 people died from firework injuries in the US in 2024.

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

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

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

A century of Billboard issues documenting the evolution of popular music.

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.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

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

Astronauts have repaired genetic damage in space using CRISPR—a molecular tool that can make precise changes to DNA and is used in single-celled organisms to attack invasive viruses.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.

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.

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

See the evolution of Ebola vaccine and treatment development.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by more than 1.5 million Muslims each year.