#3 reminds me of self-serve retail checkout kiosks: when I get stuck, or the kiosk gets stuck, a nearby live human approaches and resolves the issue (except whe

#3 reminds me of self-serve retail checkout kiosks: when I get stuck, or the kiosk gets stuck, a nearby live human approaches and resolves the issue (except when there's no live human nearby in which case I just get to stand there feeling awkward and useless. it's pretty humbling.)