Concern about Facebook Inc’s (FB.O) respect for data privacy is widening to include the information it collects about non-users, after Chief Executive Mark Zuckerberg said the world’s largest social network tracks people whether they have accounts or not.
Facebook Inc Chief Executive Mark Zuckerberg returns to Capitol Hill on Wednesday for more questioning by lawmakers who have a rare chance to air grievances about the company directly to the head of the world’s largest social media network.
Facebook lost 4.75 percent after it said it faced questions from the U.S. Federal Trade Commission about how its users’ personal data was mined by a political consultancy hired by Donald Trump’s campaign.
