Twitter Inc. formed a partnership with the PGA Tour under which it will serve as the exclusive global streaming platform for the organizer of professional golf tours and distribute more than 70 hours of live competition coverage. The microblogging company will begin live streaming on Jan. 19 and conclude at the season-ending Tour championship. Live streams will be available around the world to both of Twitter's logged-in and logged-out audience and can be found at PGATourLive.twitter.com and on PGATour.