I wonder if its possible to use 10+ url shorteners in an endless loop of redirection. Can this be abused to cause increased latency to one of the shorteners across their network? I wonder.
<a href="http://kb.mozillazine.org/Network.http.redirection-limit" rel="nofollow">http://kb.mozillazine.org/Network.http.redirection-limit</a><p>All other browsers, to the best of my knowledge, have similar systems built in. So your premise is flawed: you can't have an "infinite redirect."