Proxies will get you around most blocks. There are a ton of free proxies out there.
The Linux movement will snuff that out...
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The only way that they could enforce this is if they can somehow monitor traffic on the Internet/Web and block traffic coming from machines that don't have the software installed (doesn't ping or call home)...
I don't see why they would need spyware if they can just control the server connections and block offensive/politically unfavorable sites *unless* they want to be able to activate your webcam without your knowledge to spy on you.