What is twitter is a video contest for the millions of users who get asked the age old question when trying to explain to non-twitter users, "what is twitter?". Record your video, tag it "what is twitter" and post it on the web.
What can you win?
1. 8gb Apple iPhone
2. 1GB iPod shuffle
3. 5 Startup Wear T-shirts http://www.startupwear.com
4. More to be announced!
Link: What is twitter in 140 seconds, video contest, twitter, tweets, video contest