The U.S. Federal Trade Commission took a major step toward the possible breakup of Facebook by formally filing an antitrust lawsuit against the technology giant, accusing it of abusing its monopoly powers in social networking to stifle competition. Sally Hubbard, director of enforcement policy at the Open Markets Institute and author of “Monopolies Suck", speaks with Bloomberg's Caroline Hyde, Romaine Bostick and Joe Weisenthal on "What'd You Miss?" about Facebook. (Source: Bloomberg)