Ten ways to use Twitter productively?

I didn't think it was possible, but someone put together a list of things you can do on Twitter that are mildly productive. I personally like the first person story idea, except I'm still a pretty bad writer(like you couldn't tell already) and I'm mind numbingly boring. Aside from those few things, I could be a Twitter star and publish author...that fills the crazy though quota for the day. Check out the link here.