What Mark Zuckerberg is expected to tell Congress and when to watch it live

Facebook CEO Mark Zuckerberg is set to appear before three Congressional committees this week, starting Tuesday, to answer questions about how the social media giant collects and analyzes data from millions of its users.

Zuckerberg's testimony, which will be broadcast live on television (and online, too), has attracted a lot of interest and attention because in March, it was revealed that the third-party political firm Cambridge Analytica tied to Donald Trump's 2016 presidential campaign improperly collected profile data of up to 87 million users.

The scandal shook confidence in Facebook, leading some people to go as far as abandoning the social media site altogether — a revolt pronounced under the hashtag #DeleteFacebook. Big names like Apple co-founder Steve Wozniak, pop singer Cher and others have publicly quit Facebook. Tesla CEO Elon Musk deleted the Facebook Pages for his two big companies, including Space X.

On March 21, Zuckerberg apologized for missteps that led to the scandal. Now, the 33-year-old CEO is set to appear before Congress to offer some answers to questions from lawmakers, including Rep. Scott Peters, D-San Diego, who sits on the House Energy and Commerce Committee.

Mark Zuckerberg's testimony on Tuesday, April 10

Zuckerberg is set to appear in a joint hearing with two Senate committees — the judiciary and the commerce, science and transportation committees — on Tuesday at 11:15 a.m. Pacific Time (2:15 p.m. Eastern Time).

That testimony will be broadcast live via C-SPAN.

Mark Zuckerberg's testimony on Wednesday, April 11

Zuckerberg will return to Congress the next day to testify before the House Energy and Commerce Committee on Wednesday at 7 a.m. Pacific Time (10 a.m. Eastern Time).

That testimony will also be broadcast live on C-SPAN.