To Tweet Or Not To Tweet

Do I tweet? I most certainly do not. I have facebook to connect with people and myspace to find music, I don't see much of a need for another profile page where people can watch my life from their computers. I think the whole Twitter thing is kind of pointless, why bother getting it, in a few years they'll come out with another profile type site, or some better way of communicating with your old friends from highschool.