The Twitter Influence Calculator takes your Twitter id (or any you input) and scores numerous parts of it. Here is the example of mine:
@IdoNotes’s influence in Twitter is becoming apparent
@IdoNotes’s relative influence in Twitter is BECOMING APPARENT today. Over the last seven days, the components of this score were based upon:
* Relative authority based on roughly 6 retweets of @IdoNotes’s updates by others: SLOWLY EMERGING
* Relative visibility based on roughly 38 references to @IdoNotes: SLOWLY EMERGING
* Relative generosity based on @IdoNotes retweeting roughly 2 times [Link opens in a new browser window] on behalf of others: SLOWLY EMERGING
* Relative reach based on @IdoNotes’s 967 followers [Link opens in a new browser window] : SLOWLY EMERGING
* Relative velocity based on roughly 98 updates [Link opens in a new browser window] from @IdoNotes: EMERGING
* Relative clout based on 1 influential Twitter users referencing @IdoNotes: EMERGING
* Relative value of contribution based on a signal to noise ratio of 73.5%: ASTONISHINGLY HIGHThe Twitter user @IdoNotes has 967 followers, 148 friends, and has Twittered 98 updates in the last seven days.
* Calculated Twitter Ratio for @IdoNotes: 6.5
* @IdoNotes has Twittered about 70 different URLs
* @IdoNotes has Twittered about 1 different hashtags
So as you see, it really rips apart your stats and makes you feel nice and small in the world of Twitter. 
Filed under: Add-on Tools, Graphing Tools, Calculator, Influence
