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First, for the record, I find it unfair to compare EU copyright laws to China e-wall. China blocks connections. People who block connections because of GPRD are people who oppose it, without good reasons IMO. To be in compliance, don't invade people privacy. That's it. Things only get complicated if you do.

"Or even better can client talk to client direct without server so no one can have a record of what any guy (or girl as trinity would have said) said so to arrest him (or her)."

On Internet as we know it, even P2P does not implement that. Any router you bounce on can be an eavesdropping server. Actually we now know that some of them are, thanks to wikileaks and Snowden.

Server-less is just a guarantee against a narrow range of blocking techniques. To prevent eavesdropping by governments, you need end-to-end encryption. If you have a good encryption technique, using gmail is not a problem.

"Can we interop freely is my real question?"

It took me a while to realize that no technical hackery will ever guarantee that. This is not a technical problem. The incredible power of asymmetric cryptography gave us the dream that we could evade any kind of surveillance, but in the end, a government can always outlaw crypto and arrest people who use it. There is no technical way around it. Using Tor in China may protect your data but will put you on a suspect list.

A government may install spyware on every communication device that are sold nationally (as Syria did on smartphones) and record screenshots or cleartext messages as they are typed.

You can't solve this problem without doing some politics. Crypto needs to stay legal, governments need to refrain from installing spyware and privacy violations need to be seriously prosecuted.

We have the tools to get around surveillance in a state that guarantees some kind of freedoms, or that is clumsy in its implementation of surveillance techniques, but the gap between hackers and authorities have closed in many dictatorships and is very small in democracies as well.

If the problems you mention are of real concern to you, get involved in politics, donate to EFF and FSF.

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