Comment tr.im's biggest problem was unreliability (Score 1) 145
tr.im was BY FAR the flakiest URL shortener out there. It seemed to me like it was down or overloaded as often as it was up. The biggest reason not to use tr.im isn't bogeyman partnerships between Twitter and bit.ly, but this:
http://farm4.static.flickr.com/3565/3796342926_a4365424b1_o.png