Image recognition & mobile wireless data technologies have opened up a whole new industry around analysing what customers are doing in and around stores. Facial recognition technology gained early adoption in security industry and really hit mainstream with cloud photo storage applications such as Google Photos and Apple's iCloud. This technology has been used to detect the gender and age of a person passing a digital sign and displaying more relevant content as well as monitoring and gathering data about the customers in the store including data about how they are feeling. Mobile and wireless data technologies have been used to report on what customers are doing down to detecting the presence of an individual customer in the store and assisting them in their shopper mission.