[whensean]

Yes. Your reply reminds me of a friend of mine who works in the US. Every time he comes back to China, he would neurotically wipe out his phone and computer. Even though he has never encountered border inspections. In fact, in terms of what Westerners "think" China is doing in terms of surveillance, most of it is what China doesn't do, while the US is doing it and there is actual evidence. It's a very black-humored reality. The US is the real bad guy.