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 Cool ideas that can be done but probably won't be.
 
-- Arbitrary TCP forwarding of (stdin? stdout? TCP?)
+- Advertise TCP services in server response
+- Arbitrary TCP forwarding of (stdin? stdout? TCP?) with interface cutover
 - Netcat replacement "Just send a file" _including filename_
 - Public-key crypto for trusting peers on first use (Hard cause it requires mutable disk state)