Is Couchsurfing safe?

Couchsurfing is one of the most popular hospitality websites on the net. Users sign up and create a profile, and then they can host travelers in their own home, or “surf” other people’s couches. I’ve been using Couchsurfing for four months while traveling, and even though my experience is limited, I want to give my opinion on the project. I signed up for Couchsurfing...