Cambridge Analytica
Zuckerberg met with lawmakers Monday, ahead of his hearings.
A herd of Zuckerbergs.
Panic or don't panic?
The social media giant admitted that up to 87 million users may have been affected.
WHAT'S HAPPENING
"It's brought me more negatives than positives."
Russia could be storing some of the harvested data, too, said Christopher Wylie, who helped found the political research firm.
Mark Zuckerberg spoke with reporters on topics including trust in the site and trust in his own leadership.
Most of the accounts affected by the scandal were in the U.S., Facebook said.
But most people who get news from the site think it's accurate.
“You know nothing about me."