Facebook launched a new applications feature late Tuesday that will let you test the latest tools the social network is working on. Called Facebook Prototypes, it's similar to Google Labs as it allows you to try out new features that, as Facebook says, are "not quite ready for prime time, are a bit esoteric, or don't quite fit."

There are five new features currently available, most of which were created during a recent Facebook Hackathon event--an all-night coding session where Facebook techies work on projects they don't have time to develop during regular business hours. Here's a breakdown of the five features you can try out:

More: http://pcworld.com/article/172080/