And you appear to be fairly rude to someone you don’t know.

No idea why you’d come to that conclusion.

If homework is set with the expectation that it is to be done, then the counter-expectation is that it’s marked promptly and returned.

However, “You Must, You Could, and You Might Enjoy” might also be made use of.

It struck me as crap, frankly. “Please don’t eat in the library” is enough.

Another failed author turned librarian? :/

OnionShare is available for Android.

The most popular Western OS (and probably the other commercial OSs too) sends every key typed back to base. Plus every website visited. Plus every document amended.