We shouldn't have to shorten urls. It's only because of a fairly selfish and unwise company in San Francisco that we're adding an extra layer of fragility to an already loosely-coupled network. Introducing another point of failure.
Today I have got something working I've wanted to play with for a long time. Instead of using pages inside a site, like all other url-shorteners, I wanted to try having hostnames as short urls.
So here's a short url: 1.blork.ly. Try it, it works!