bit.ly is the only URL shortening service to support cross-origin resource sharing, as far as I'm aware. The _right_ thing to do would be to build a shortening

bit.ly is the only URL shortening service to support cross-origin resource sharing, as far as I'm aware. The _right_ thing to do would be to build a shortening service designed to handle URLs of arbitrary length. I'm not sure that I'm willing to take on that responsibility, though.