I know this is pure science fiction ( but Gibson is working on the subject ), but once we got proper drivers it could be feasible :
imagine you are playing a riff on your KPA in california while a buddy is recording you in germany with the whole audio signal synchronised between the two KPAs on the internet. With the help of optic fiber we could even imagine real time sync for jams.
that would be mighty fun , and I'll be finally able to play satriani in playback on stage while Joe would stay at home and play for me