Well, cash is annoying. If you want to experience a time machine IRL, go to any supermarket/store that lacks self-checkouts, in a cash-preferred country. That'

Well, cash is annoying. If you want to experience a time machine IRL, go to any supermarket/store that lacks self-checkouts, in a cash-preferred country. That's how things worked 30-40++ years ago, and you will never want to go back again.