You've never had privacy. Anyone who cared enough could find out all you do and all you have done -- and possibly extrapolate what you will do.

Anyone who thinks otherwise is delusional.

I remember in the 1960s some of the more radical types thought that telephone calls and letters were always confidential! Now people think what they put online is confidential and some even thing that encrypting it will make it even more so.

Believe this: if someone whats to find out, they can and if they care enough they will. Don't assume you can hide from a government. Shredding your correspondence is a waste as it can be reconstructed if doing so would be worthwhile (burning it is another story, but be sure to wet and stir the ashes).

Legally you have no expectation of privacy in the workplace. In your home, well, if they care enough....