Who is Mark Zuckerberg ?

The book has been known to deviate quite a bit from actual events, as even the book's publicist referred to it as "big juicy fun" rather than "reportage.

On whether Facebook is a "neutral public forum": Sen. Ted Cruz, R-Texas, pushed Zuckerberg on this. "The predicate for Section 230 immunity is that you are a neutral public forum," he said. "Do you consider yourself a neutral public forum or are you engaged in political speech?"

His father used the program in his dental office, so that the receptionist could inform him of a new patient without yelling across the room.

The Social Network's screenwriter, Aaron Sorkin, confessed to New York magazine that, "I don't want my fidelity to be the truth; I want it to be storytelling...what is the big deal about accuracy purely for accuracy's sake?

After his sophomore year, Zuckerberg dropped out of college to devote himself to Facebook full time, moving the company to Palo Alto, California. By the end of 2004, Facebook had 1 million users.

Transparency in political ads: Facebook recently began requiring location verification for groups purchasing political or issue ads on Facebook. Sen Sheldon Whitehouse, D-R.I., asked whether shell corporations could be used to get around that system. "If they were running through a corporation domiciled in Delaware, you wouldn't know that they were actually a Russian owner," Whitehouse said. "Senator, that's — that's correct," Zuckerberg said.

The family also used Zucknet to communicate within the house. Together with his friends,

Mark Zuckerberg was one of the early adopters of Google+, saying that it validated his vision of mainstream social networking. In 2011, Zuckerberg was the most followed user on Google+, with even more followers than Google co-founders Larry Page and Sergey Brin.

In 2005, Zuckerberg's enterprise received a huge boost from the venture capital firm Accel Partners.

he also created computer games just for fun.

Who's responsible for identifying violations: Sen. Chris Coons, D-Del., asked why Facebook puts the burden on users to flag content that needs to be taken down. Zuckerberg cited the "sheer volume" of material on Facebook and said new hires and AI tools will help improve the process over time.

Zuckerberg has supported numerous philanthropic causes, most famously donating $100 million to rescue the struggling Newark Public Schools system of New Jersey.

Accel invested $12.7 million into the network, which at the time was open only to ivy league students.

"I had a bunch of friends who were artists," he said. "They'd come over, draw stuff, and I'd build a game out of it."

Whether people understand how Facebook uses their data: Multiple senators emphasized that user agreements are long and confusing and that more data is collected by Facebook than many users might realize. Zuckerberg said, repeatedly, that he believes users — even if they don't read the full agreement — generally know how their data is used and have different expectations for different kinds of services. company.

Zuckerberg's company then granted access to other colleges, high school and international schools, pushing the site's membership to more than 5.5 million users by December 2005.

Zuckerberg has signed the "Giving Pledge" commitment, promising to donate at least 50% of his wealth over the course of his lifetime.

Zuckerberg said he that didn't know the answer to several questions or that he would have to check with his team, including whether Facebook employees worked directly with Cambridge Analytica and whether Facebook tracks users' activity across devices while they are offline.

The site then began attracting the interest of other companies, who wanted to advertize with the popular social hub.

Facebook has lost about $100 billion in value since February. As Zuckerberg testified on Tuesday, Facebook stock was up more than 4 percent for the day.

To keep up with Mark's burgeoning interest in computers, his parents hired private computer tutor David Newman to come to the house once a week and work with Mark.

In 2014, Zuckerberg donated $25 million to combat the ebola virus epidemic in West Africa.

Not wanting to sell out, Zuckerberg turned down offers from companies such as Yahoo! and MTV Networks.

Newman later told reporters that it was hard to stay ahead of the prodigy, who began taking graduate courses at nearby Mercy College around this same time.

In Zuckerberg's prepared testimony — a longer version of his opening comments — he embraces a wider responsibility for user content than Facebook has claimed in the past. He also lays out efforts that he says will help protect users' information and defend against "bad actors" on the platform.