https://www.cnet.com/news/facebook-employees-donated-big-bucks-to-congress-members-questioning-mark-zuckerberg/

As Facebook CEO Mark Zuckerberg testifies before Congress this week, he's addressing House and Senate members who've received sizable campaign contributions from Facebook employees and its political action committee. 

Members of the Senate Judiciary Committee and Senate Commerce Committee, which conducted a joint hearing with the Facebook chief on Tuesday, have received a total of $604,000 in contributions since 2007, according to the nonpartisan and nonprofit Center for Responsive Politics. Commerce Committee members received $369,000 in contributions, while Judiciary Committee members received $235,000 over the period.