I fully acknowledge that Twitter is not the only source of URL shortenedlinks, but it is easily the largest.

Links could stop working at many places around the web, but its not going to be a mass web apocalypse. Google results arent going to stop offering legitimate links. Is the 140Character Limit Bad for the Web?If anything, the issue casts yet another shadow of vulnerability on Twitter, and at a time when it has already received mass media attention over a DenialofService attack.