Lawmakers were at times aggressive Tuesday as they accused Zuckerberg of failing to protect the personal information of millions of Americans from Russians intent on upsetting the US election. That problem stems from the company's unprecedented and largely unchallenged market reach.
The fact is, Facebook does not need to go so far as to develop technology that could pick up keywords when people were talking.
Although much of the current worldwide discussion about internet privacy is focused on Facebook's recently publicized policies and failures, the Gallup poll also found a greater number of Google users are concerned about their protecting their privacy when using the platform-35 percent are "very concerned", a 10-point jump from 2011.
Zuckerberg couldn't name a single competitor. "Of course, if this sentiment were to be similar across other countries, 15% of 2 billion users is a sizable chunk of the installed base that would disappear".
Zuckerberg declined to acknowledge that Facebook's ad system and products are informed by all of this information gathering on and off the social network.
He told me that Dr Kogan's work had raised issues for the university: "Even if an academic does something - quote unquote in their "spare time", with their own company - they still ought to be held to professional standards as a psychologist".
'A Quiet Place' dethrones 'Ready Player One' at the weekend box office
The horror film A Quiet Place easily topped the weekend box office , finishing $25 million ahead of its nearest competition. It might be best to just leave it as it is, much like Jordan Peele's ideas about a sequel to Get Out .
17% of respondents said they deleted the Facebook app from their phone over privacy concerns.
Mr Zuckerberg repeatedly defended the company's privacy practices, saying that users have control over their own data and decide what to share. "While Cambridge Analytica and Facebook are on top of everyone's mind we aim to cast our net wider and think longterm".
"Facemash was a prank website that I launched in college - in my dorm room - before I started Facebook", he said.
The listening conspiracy dates back for years and you might pinpoint the date that Facebook introduced "Facebook Messenger". The congressional record is open for another two weeks for lawmakers to submit questions, a Facebook source said, after which Facebook will have several more days to respond. It's not clear what that regulation would look like and Zuckerberg didn't offer any specifics.
The data was improperly shared with Cambridge Analytica by an academic who gathered data on users and their friends through a questionnaire app on Facebook.
Plan II freshman Ross Trivisonno said though he was angered about the data leak, it would take much more for him to delete Facebook, a necessity on par with email or text for him. He had never heard of the widely used term "shadow profiles" to describe this kind of data collection.