Facebook CEO didn't have all the answers for Congress

Facebook CEO Mark Zuckerberg often came across as one of the smartest people in the room as he jousted with U.S. lawmakers demanding to know how and why his company peers into the lives of its 2.2 billion users. But while ...

'Poker face' stripped away by new-age tech

Dolby Laboratories chief scientist Poppy Crum tells of a fast-coming time when technology will see right through people no matter how hard they try to hide their feelings.