Check it out at http://www.philtro.com and bypass the beta waitlist by signing up here: http://www.philtro.com/openinvite/351<p>In short, Philtro filters your incoming tweets by figuring out which particular topics & users you're actually interested in. Just use the thumbs up/down on each tweet to help us learn just a little quicker and you'll start to see results immediately.<p>Would love your feedback on the idea and its direction!