tr.im is an established URL shortening service that prepares great-looking short URLs for services like Twitter. If you send URLs out on Twitter, tr.im is not only the best name, it is one of the shortest. tr.im constantly collects and can then present cool graphical statistics on your URLs, such as how many times they were visited, from which locations, and referred by which websites. With tr.im you know exactly how many people clicked on you URLs, and from where.
