If you're ever bored on the Internet, trying to find something to occupy your time with, then try digg.
I've been using it for the past week or so, as I'd never realised how addictive and useful it could be. Think of it as all the best technology news sites in one place. The concept behind it is so simple - that it annoys me. If only we'd come up with the same idea at the end of Uni - then we would be turning down offers for $150 million...