A Twitter directory arranged according to many categories such as celebrity, news, tech and music and has a massive number of Twitter users lists based on follower count.
Well organized, but lousy updating of followers and following. They haven't updated my profile in MONTHS. Weak. So great to find people by location and category, but take it with a grain of salt how accurate it is because those numbers have certainly shifted.
Pretty comprehensive list with relevant taggings, and an insteresting new angle for the newer digg business (says (c) 2009, Digg Inc. at the bottom of the site.). Maybe users may like to have a promo profile page on this.. I also think being "infuluential" does not necessarily has to have the scope of a hunk of population. As society and social media dissolves the de facto means and meanings of how/whatis a message be sent out or a context of personalities interacting with each other, cheking out people an