Well, when I first heard about it, I thought it was silly. Who in the world (that is actually working) would use Twitter. I'm now one of them. I'm actually finding it quite valuable. Why:
Because Twitter is a proxy for the market. I talk often about keeping things simple, now I have a great proxy for it. If you can't fit your message into Twitter (140 charecters), it's probably two complicated.
If you'd like to follow my "Tweets" just click here.