Unrelated, but I've always wanted a clock that is randomly fast so that I never know exactly how fast it is. At worst, maybe I can set a maximum "fastness" set

Unrelated, but I've always wanted a clock that is randomly fast so that I never know exactly how fast it is. At worst, maybe I can set a maximum "fastness" setting. Then peeking at the actual time has minimal value over the long run. I'm sure this already exists. But I haven't come across it yet.