Another way, using only software that you have already: get your friends' public keys and make a burner account on any jointly-reachable server/laptop/whatever

Another way, using only software that you have already: get your friends' public keys and make a burner account on any jointly-reachable server/laptop/whatever and do a follow-the-leader screen: http://blog.endpoint.com/2009/09/gnu-screen-follow-leader.html http://blog.endpoint.com/2009/09/gnu-screen-follow-leader.ht...