Zuckerberg defends Facebook’s value as senators question his apology

Facebook Inc. co-founder Mark Zuckerberg defended the social network’s value before Congress and pledged to correct its mistakes, as senators questioned whether he’ll deliver after years of failed assurances that he’d protect user privacy.
“People come to Facebook, Instagram, Whatsapp, Messenger about 100 billion times a day to share a piece of content or a message with a specific set of people,” Zuckerberg said of his company’s services Tuesday at a joint hea