What do you think of my logo?

I made this today for my new web 2.0 app I’m developing. Its called Douzit, which sounds like Do you use it?

Anyways, I came to kirupa since you guys always give me the most helpful advice on this sort of thing. What do you think of it? Suggestions? Color suggestions?

The thing I wasn’t too sure on was the little bubble at the end with the ? in it. It doesn’t seem to work, what do you think?