Twitter has started inviting a select group of users to test a new analytics product... With Twitter Analytics, users will be able to see a plethora of data about their account; for example, information about which tweets are most successful, which tweets caused people to unfollow, and who the most influential users are that reply and retweet their messages.
By Twitters own admission they haven't been very good to their 3rd party partners
I don't need 25 different dashboards!