Facebook CEO Mark Zuckerberg kicked off the first of his two-day Congressional witnes on Tuesday afternoon, when he was grilled by 44 senators on his company's practrices. The tech billionaire was brought to Capitol hill to answer for his company &# x27; s massive data breach by Cambridge Analytica, which improperly gathered personal information on up to 87 million Facebook users ahead of the 2016 U. S. elections.

This is Zuckerberg &# x27; s first time back on the Hill since 2010 and the CEO, who is notoriously press- and camera-shy, was forced to awkwardly answer questions from lawmakers , not all of whom had a great understanding of how the social network or broader internet works.

Twitter users had a field day during Zuck &# x27; s testimony, and jokes and memes rapidly flooded the platform after Zuckerberg took the hot seat.

Many began retweeting an old tweet of Zuckerberg &# x27; s from 2009 saying simply, “This is neat.”

Several soon-to-be iconic shoots of Zuckerberg in his chair in front of a wall of photographers also made the rounds and quickly became a meme.

Some reporters on the scene live-emoji &# x27 ;d Zuckerberg &# x27; s facial expression.

Other users poked fun at the fact that Zuckerberg repeatedly emphasized that Facebook was founded in his Harvard dorm room.

And lots of people compared Zuckerberg &# x27; s witnes to the 2010 movie The Social Network or joked about its golden days.

Some poked fun at the senators themselves, many of whom didn &# x27; t quite seem to understand how the social network, or the internet, runs.

And many other Twitter users simply live-joked and memed their way through all the awkwardness.

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