Operating an electronic advertising device, the electronic advertising device disposed within camera range of consumer products exhibited for sale, the electronic advertising device including a computer processor, computer memory, a display, and a digital camera; the camera characterized by a camera range; the electronic advertising device operatively coupled to data storage containing digital reference images of at least some of the consumer products exhibited for sale, data storage containing rules for displaying advertising content for the consumer products exhibited for sale, and data storage containing the advertising content for the consumer products exhibited for sale; including: identifying, by the electronic advertising device through the camera and the digital reference images, consumer products within camera range of the electronic advertising device; and displaying, by the electronic advertising device in accordance with the rules, advertising content for the identified consumer products.