Most MEPs, however, left the assembly frustrated by Zuckerberg's lack of answers.
A blog post on Facebook Thursday morning explained the alerts you'll soon see to review details about advertising, face recognition, and information you may have chosen to share in your profile. It will now put those questions to all its users.
At the long-awaited hearing in Brussels on Tuesday, MEPs were eager for explanations about the growing number of false Facebook accounts, data harvesting and whether Facebook will comply with new European Union privacy rules.
Up to 87 million people may have had data harvested by the app, which was then acquired by Cambridge Analytica, according to Facebook. "That's not only here, that's a global thing", Zuckerberg said, confirming he would extend the protections demanded by the EU's General Data Protection Regulation- including on facial recognition - to Facebook's two billion users worldwide.
Damian Collins, chair of the British Digital, Culture, Media and Sport committee hit out against Zuckerberg after the Brussels grilling this week.
This "grilling" format employed by the European Parliament is really not much of a grilling at all, and appears to be more of an opportunity to exchange ideas rather than being a format that allows for MEPs to get to the real meat of the debate at hand.
'I echo the clear frustration of colleagues in the room who felt the discussion was shut down.
The former startup company called Six4Three filed the lawsuit in the superior court of San Mateo in California last week, alleging that Zuckerberg developed a "malicious and fraudulent scheme" that "weaponized" Facebook's ability to access the data of users, the Guardian reported, citing court documents.
During his evening discussion with Publicis Groupe's Maurice Lévy at VivaTech today, Zuckerberg admitted once again that Facebook did not take a broad enough view on mitigating misdeeds across his platform.