This is a very smart move by Facebook, assuming they can walk the UGC line. They are in pole position to do that, too, because of the social graph data they ha

This is a very smart move by Facebook, assuming they can walk the UGC line. They are in pole position to do that, too, because of the social graph data they have (e.g., only promote filters trending among friends or friends-of-friends). If there was any doubt that Snapchat was what kept Zuck up at night, banish it.