> but it would work _better_ if the item they bought was the first thing on the carousel rather than the last Depends, does that increase overall sales? Or is

> but it would work _better_ if the item they bought was the first thing on the carousel rather than the last Depends, does that increase overall sales? Or is it ‘better’ to make the customer ‘walk past’ the other items to get to the thing they want (the way supermarkets make you walk up the back of the shop to get to the milk), and maybe buy something else too?