This is a nice idea from The Unofficial Apple Weblog – using Twitter simply to poll two different options (I guess you could use more, though obviously the question has to be pretty tightly written!)
UPDATE: If you need an industrial strength way of polling, try Twtpoll
![](https://i0.wp.com/www.inflectionpointblog.com/wp-content/uploads/2009/01/twitpoll2.jpg?resize=642%2C442&ssl=1)