There is an interesting story on the BBC magazine about a man who has cancelled his broadband because it was too addictive.

Sit down to work. Ten minutes in, the new mail icon tempts me from the bottom of the screen. I’ll just check. Nothing like a few juicy new e-mails. Click a few links. Scan a few websites. Oh 20 minutes has just passed. Better get back to work. Now where was I? Start work again. Feel like a reward. I’ll just check news.bbc.co.uk. See if anything’s happened in the three minutes since I last looked. Follow a few ‘related links’…

Does that sound at all familiar?