It's like couchsurfing.com, only free. I've already used it to find a place to stay while I am in Delhi, and have messages sent to people in Agra and Amritsar. If I can do this over the course of my trip that will save me a lot of money. Hell, if I can do it just for some places that will save me a lot of money!
I figured I'd post the link here and share with you. :)