For everyone interested in Twitter this business week slideshow rounds up some of the things that businesses are starting to do with the platform. It makes for an interesting read and, given that this is just a tip of the iceberg look at what’s going on, seems to indicate that twitter is being rapidly adopted as the new place to innovate by developers and entrepreneurs.
http://images.businessweek.com/ss/09/04/0413_twitter_ecosystem/index.htm