I find the ones that reappear when you scroll up are quite annoying, particularly on mobile which is, sadly, where you actually need them more! In this case, I

I find the ones that reappear when you scroll up are quite annoying, particularly on mobile which is, sadly, where you actually need them more! In this case, I am utterly indifferent to Stack Overflow's being fixed. At least it's not going to surprise me.