One of the libraries at my university has bathrooms for everyone which simply has solid floor-to-ceiling stalls (as opposed to the flimsy barely standing things that are common in the US).

It’s a neat tool, but be careful what you do with it. I wouldn’t make anything web-connected or otherwise requiring security considerations, for example.

If enough people used “green” to refer to “red” objects, the meaning of the word would change.

See: inversion of the meaning of the word “literally”