Your smartphone is the best tracking tool a marketer could ask for.
London-based marketing firm Renew has created Presence Orb, a trash can-based tracking system that collects data about the smartphones that pass by. Over the course of a week in London, Renew says, it captured info about over 4,000,000 devices, 530,000 of which were unique.
Image Courtesy of Keerati / FreeDigitalPhotos.net
