They were all part of operations to sway the public in their respective countries.
The social network said Zuckerberg had a "good, constructive" meeting with the president.
Zuckerberg has been meeting with several US lawmakers this week.
The joke might be going a bit too far.
Cases have appeared in 38 states.
New study shows a watershed election year for turnout.
The Senate majority leader had been blocking legislation for election security funding for more than a year.
MIT Technology Review editor shows off deepfake tech that can be used in real time. Hope you speak Russian.
Zuckerberg has called for more government regulation.
Here's a breakdown of the controversial Chinese telecom and phone maker's saga so far.
The social network's "Supreme Court" could be running early next year.
Police will be sending in first-person footage of firearms training to help Facebook detect videos posted by shooters.
Sublime suburban chariot
High on style and technology, the 2019 Volvo XC90 is an incredibly satisfying everyday crossover.