couchsurfing.com — Couchsurfing.com, the online destination of thousands of travelers looking for a free couch to crash on, recently launched version 2.0. Couchsurfing suffered a major database failure on June 27th [http://www.digg.com/tech_news/ CouchSurfing_Deletes_Itself,_Shuts_Down] and was forced to rebuild from the ground up.