I recently found this on Geek Brief TV, a video podcast that I watch/listen to. CommonCraft. com has found some great ways to explain some of the web 2.0 things out there. Between my wife, my brother-in-law, and the CommonCraft.com explanation, I got on Twitter. This is really cool with Mary's and mine new phones, instead of texting what I'm doing, I go to the mobile version of the site and type in what I'm doing.
I often mention that I listen to podcast instead of terrestrial radio. If you don't know what this is then watch this: