I think there a number of interesting use-cases that were underserved by Twitter's decision to become a widescale media company.

I described my vision of what opportunity I think was lost here: http://daltoncaldwell.com/what-twitter-could-have-been

I am running this experiment to establish, to the best of my abilities, whether or not there is a market for the sort of service I described and want to exist. The practical applications would be fairly different than a celebrity-focused gossip site.