A while ago I started using Google Plus. I'm yet to be convinced of it's value, but I'll stick with it. As with Twitter, I started following a few people I know of through the Drupal community, including Earl Miles, the creator of the Views module.
Have you ever tried to do something, just to be free of the idea of doing it? Like many runners, I had a particular itch to run a marathon, and if I could scratch it, I might be free of it and never have to think about it again.