So what are the best ways to use Twitter? How you can use it most effectively? Which tools are most helpful? You’ll find the answers to these questions and many more here in 50 of the best Twitter tools, posts, how-to guides and rants of 2010 so far.
http://socialmediatoday.com/tompick/195143/50-best-twitter-guides-stats-tips-and-tools-2010-so-far