This document summarizes the history of mobile technology and marketing. It discusses the evolution from 1G to 4G cellular networks and their accompanying data capabilities. It then outlines the many uses of mobile devices today including web browsing, email, cameras, games, and making phone calls. Statistics are presented on growing mobile usage and the personal nature of mobile phones. Various mobile marketing tactics are described like SMS/MMS, location-based services, QR codes, augmented reality, and mobile apps. Brand examples adopting these strategies are also mentioned.