Facebook's Zuckerberg unscathed by congressional grilling, stock rises

Facebook CEO Mark Zuckerberg testifies before the Senate

Those questions began on Tuesday before a joint session of the Senate Judiciary and Commerce committees, and closed with Wednesday's House hearing.

"The content reviewers that we have are not primarily located in Silicon Valley", Zuckerberg said.

Senators pressed Mr. Zuckerberg on why Facebook didn't inform users about the harvesting of user data by Cambridge Analytica, a political consulting firm with ties to the Trump campaign, in 2015, when it was informed of the data abuse.

Facebook has said it is "investigating" the specific number of people whose information was accessed, including those in India and also emphasised that the CA's use of such data did not have its consent.

Lawmakers in both parties have floated possible regulation of Facebook and other social media companies amid privacy scandals and Russian intervention on the platform. He said, "The internet is growing in importance around the world.I think it is inevitable that there will need to be some regulation".

"I think the interesting regulatory approach is not a breakup or more privacy, but rather an unbundling of Facebook", said Chris Hoofnagle, a professor at UC Berkeley's Center for Law and Technology.

In some of the most pointed questions of the day, senators repeatedly asked Mark exactly how much data Facebook really collected and how it tracked its users.

The fact that Zuckerberg did not provide lawmakers with a clear answer about the extent of its data collection is notable because much of that information is readily available on Facebook's Help page.

Facebook is implementing the GDPR standards for European users next month, and some of its rules will be extended to U.S. and other users later, he confirmed. "But we don't have anything that's trying to listen to what's going on in the background". "We don't sell data to anyone". Such measures should also strengthen the Federal Trade Communication, which has a 2011 consent decree against Facebook that remains one of the US government's most powerful protections against future privacy abuses.

"There is absolutely no directive to put a bias into anything we do", Zuckerberg said in response to a question by Rep. Steve Scalise, R-Louisiana, about whether Facebook's algorithms have bias built in.

Michigan Democrat, Debbie Dingell asked how many "like" buttons are there in non-Facebook pages?Zuckerberg responded: I don't know the answer to that.Dingell continues, How many "share" buttons are there in non-Facebook pages? That goes for fake news, foreign interference in elections and hate speech, as well as developers and data privacy, he said.

"So this is an arms race".

During the five-hour testimony on Wednesday, Zuckerberg admitted that his profile data was among those exposed in the Cambridge Analytica leak. Earlier this year, special counsel Robert Mueller charged 13 Russian individuals and three Russian companies in a plot to interfere in the 2016 presidential election through a social media propaganda effort that included online ad purchases using USA aliases and politicking on us soil.

"Our work with the special counsel is confidential".

"This is a wake-up call to Silicon Valley and the tech community that if you let these things get out of hand, having grown up in a very lightly regulated environment, you could end up with a lot more regulation than you seek", he said after the hearing.

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