Now that Friendster has become little more than a sluggish vehicle for desperate booty calls, the real action on social networking websites has shifted over to Tribe.net, where the "tribe" feature is allowing like-minded individuals to explore (sometimes overly-) specific sexual interests together. We're inaugurating our Sex Tribe of the Week feature here at Fleshbot with three of our favorites. (Thanks for the inspiration, Xeni.)

Tribe.net: Alt.Sex.Fetish.Robots
Tribe.net: Boot Lickers
Tribe.net: Fucking Machines

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