Qwitter will track Twitter members who stop following your tweets... and they'll even tell you why: John Gruber (gruber) stopped following you on Twitter after you posted this tweet: What's the difference between Arial and Helvetica? As to Gruber, who the hell told him that I can't tell Arial from Helvetica? ;)

Let's take shallowness and superficiality to a new low by taking advantage of Friendfeed's new fake following utility. The Friend Lists also support "Fake Following" - a seemingly unintuitive feature that allows users to look like they're following their friends without actually getting their updates. Users often expect to have their "Follows" reciprocated by their peers, and a failure to do so can lead to bruised egos. ... Read full entry