I guess the fact that Twitter employees use bit.ly to map from short url:s to slightly longer url:s even in mails means something, but I'm not sure what. (the

I guess the fact that Twitter employees use bit.ly to map from short url:s to slightly longer url:s even in mails means something, but I'm not sure what. (the http://bit.ly/sitestreams_doc http://bit.ly/sitestreams_doc link goes to http://dev.twitter.com/pages/site_streams http://dev.twitter.com/pages/site_streams)