> Imagine a supermarket charging an entrance fee. 90% of European supermarkets (and some Canadian supermarkets) require you to put money in them to unlock the

> Imagine a supermarket charging an entrance fee. 90% of European supermarkets (and some Canadian supermarkets) require you to put money in them to unlock them. It's either 1 euro or 1 Canadian dollar. You get your money back when you give the cart back. > How many customers would they have? shrug