Have you ever stood dithering in the shops, wondering if you really *need* the whatchamacallit you’re about to buy? You want to use it, but you don’t have any particular desire to own it. But there’s no other way to get one of these whatchamacallits, so you take it to the counter and put your money down.This is where product service systems could come in handy. Product service system is a fancier way...