Facebook CEO Mark Zuckerberg apologizes for mistakes with user data

Facebook CEO Mark Zuckerberg says he is happy to testify before Congress if it's the right thing to do.

Facebook CEO Mark Zuckerberg is seen on stage during a town hall at Facebook's headquarters in Menlo Park, California September 27, 2015.

Facebook CEO Mark Zuckerberg is seen on stage during a town hall at Facebook's headquarters in Menlo Park, California September 27, 2015.

(photo credit: REUTERS)

ByREUTERS

MARCH 22, 2018 09:57

Updated: MARCH 22, 2018 17:40