Lawmakers worry about Facebook's data sharing

Mark Zuckerberg frowns at a hearing
Facebook's Mark Zuckerberg during Congressional testimony earlier this year. Photo: Saul Loeb/AFP/Getty Images

Capitol Hill is concerned about the recent revelation that Facebook shared user data with device manufacturers like Apple and Samsung.

Why it matters: Facebook has been trying to move on from the Cambridge Analytica data scandal, but the latest story puts the social giant's privacy issues back in the spotlight and Congress' crosshairs.