It has all the elements of a good story: technology, mystery, celebrity, and sex.

You can continue to click Next -- and so can the other user -- until you find someone you want to chat with.

The site requires no registration or age verification.

Not everyone made it to the end of the ride — caught in moments of indecision, some players killed the video's star, allowing him to be overcome by zombies in front of jammed doors and caught between groups.

Those who did make it to the end got a special treat: the chance to use some heavy weaponry on a seriously impressive foe.

We soon had detailed data on 2,883 Chatroulette sessions that tied users to geography, gender, appearance, and more.