Why are URL shorteners blocked by some content filters, websites, and wifi providers? « Moving at the Speed of CreativityToday I was interested to learn Flickr prohibits the use of some URL shortened links, including tinyurl and bit.ly .
yes it is, I use it all the time. There can be trust issues (unkown redirection) and link rot: http://en.wikipedia.org/wiki/URL_shortening, so use it at the right times. by Mar 14
Twitter now automatically shortens the URL's for you but bit.ly is still useful. by Sep 21