Facebook revenue smashes expectations as mobile ad sales surge

  Facebook Inc's quarterly revenue rose more than 50 percent, handily beating Wall Street expectations as its wildly popular mobile app and a push into live video lured new advertisers and......

Facebook unveils new friends-based search tool

Facebook Inc CEO Mark Zuckerberg unveiled on Tuesday a feature to help its users search for people and places within the social network, in the company's first major product launch since its May......