ComScore: 177.8MM people world wide used widgets in April 2007

According to a to be released today ComScore report, in April 2007, nearly 177.8 million people world-wide viewed Web content in April made with online tools from companies that let people post photos, videos and music on other Web sites,–And that’s based on a more limited release of the Facebook API

starting last August 2006.
Of widget makers, Slide leads with 117.1 mln widget-views in April 2007, followed by RockYou with 82 mln., followed by PictureTrail, PhotoBucket, Bunnyhero Labs, BlingyBob, POQbum, Brightcove, Layoutstar and MusicPlaylist.us–note how Facebook and MySpace are the drivers here.