A few months ago there was a tweet (and I believe a blog post) by Dave Naylor on the exploitation or URL shorteners in general, specifically bit.ly (as that was the example he used).
On seeing this I decided to sit down and see what I could find out about further ways to ‘influence’ these URL [...]

So recently I’ve been doing a lot of work with link location networks at Summit Media, and from this I’ve been having a look at information I can get quickly and what effects it has on rankings – obviously we already have a scoring factor that we use for tasks like this but I’ve decided [...]