I don't use Twitter, but I've heard it's pretty addictive. You know what else is addictive? Cigarettes. So some smart person put two and two together and created Qwitter, a Twitter-powered social networking service for people who are trying to quit smoking.

Qwitter does a few things for its users. It tracks the number of cigarettes smoked per day, and provides a place where those who are giving up smoking can turn to to track their progress and share the process with other quitters. They've also provided a few "qwit tips" for newcomers to look over before they get started.

So if micro-blogging and social networking are your thing, and you believe it's time to ditch the cigarettes for good, take a look at Qwitter and see if it could be a part of your support system.