I don't remember where I saw this, but I thought I saw a display that you could step on and it would try to convince you to buy custom designed insoles? It use

I don't remember where I saw this, but I thought I saw a display that you could step on and it would try to convince you to buy custom designed insoles? It used some kind of pressure sensor that would map your foot or something. I feel like shoes are kind of like mattresses are marketed the same way - mostly talking about pressure points, that and memory foam.