Share 'Twitter?'

So, as part of our "Learning 2.0" series at Mulnomah Co. Library, one of the advanced assignments was to try Twitter. I have signed up for it, but I still question its usefulness. Okay, so it's kinda fun to get an update from a friend you don't see much, but I'm not sure it's that much fun. Plus, if you were to have too many friends, you'd be going crazy from all the updates. I've read a few blog…