with TwitterFriends you can ... * find out the hidden network of Twitter contacts that are really relevant for you. * visualize the network of your relevant contacts and their contacts * see who of your Twitter friends are online this very moment * read some stats about your Twitter account * take a look at the most conversational Twitterers or those who are posting the most links To see your relevant network and some stats about your tweeting behavior compared to other Twitter users, just enter your (or another) Twitter username: * Darren Rowse of Problogger Blog Tips wrote a nice review on TwitTip and calls TwitterFriends a "great Twitter statistics tool". Thanks, Darren! * Jason Annas even created a video explaining TwitterFriends. I think this is a great introduction to the tool, but see for yourself: