Geoffrey Smith Three of the world's biggest social media networks are in talks to stream video highlights of next year's soccer World Cup, according to Bloomberg. Facebook (FB, -0.75%), Twitter (TWTR, +2.55%) and Snapchat owner Snap Inc. (SNAP, -0.23%) have offered 21st Century Fox (FOX, -50.61%), tens of millions of dollars for the rights to highlights packages from the tournament, which is the world's most commercially valuable sporting event after the Olympic Games.