We all remember kicking it in anonymous chat rooms masked behind the safety of a screen name, but today Fring announced a new way to engage with randoms -- this time with video. Playground lets users start their own video chat or join an existing room based on topic, with friends or complete strangers. We've seen four-way video from the app before, but the new feature takes it a step further -- similar to joining a Hangout in Google+, only on a mobile phone. Although it does sound creepily Chatroul