[esutton]

does this work between 2 computers not behind the same firewall. i.e. can i sync with a computer in la while im in ny?

[yurisagalov]

Yup! :)

[esutton]

so how is it getting around the double NAT problem? Are users acting as bridges (like Skype super nodes) or is it going though aerofs's servers?

[ttyS0]

An aerofs server is used to help establish a "connection", more or less along the lines of http://en.wikipedia.org/wiki/STUN