Consider a typical millennial shopper, she’s considering buying shoes and, of course; she’s going to reach for her phone. Here’s the ideal solution for *BOTH* her and the retailer: Once at a retailer’s site, she picks a shoe and then points her phone at her feet, swiping through shoes, each one actually appearing on her foot, as if she had physically laced one up.
(Note: That effect is AR at work.)