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Hospitality exchange networks require a bit more planning, but are '''very''' valuable tools for traveling. Sometimes there are [http://couchsurfing.com/meetings.html meetings] and [http://secure.hospitalityclub.org/hc/forum.php?SelectedCategory=42 gatherings] of tens, or even hundreds of hospitality exchange members. If you go there you'll surely get a place to sleep!

* [http://couchsurfing.com CouchSurfing] (CS), 2,500,000+ members, managed in an oligarchic way, slightly North American-centric but growing rapidly.

* [http://hospitalityclub.org Hospitality Club] (HC), 640,000+ members, managed in a dictatorial way, slightly Euro-centric because it was started there.