CaptionX uses Google App Engine with Python in the back-end is live now. What happens? You sit together together in a room with 3 other people, get presented with a photo, and each of you tries to come up with the funniest caption.
The winner is decided by a vote amongst you. Hope you enjoy, and please forgive early quirks if you come across them, and please post feedback in the comments!
More info: CaptionX
Source:→ Google Blogoscoped