Soon after enabling hashtags, which were undoubtedly made popular on the internet by Twitter, Facebook announced that it will soon start testing trending topics. At first the test was being conducted on a very small scale, trending topics were only available to U.S. users and that too through the Facebook mobile website. It has now rolled out the trending topics box on the main website's homepage News Feed “to a small percentage of U.S.
Ubergizmo , Facebook Trending Topics Box Appears For Some U.S. Users, Facebook Trending Topics Box Appears For Some U.S. Users
