Wireless advertising has become one of the fastest growing industries and refers to advertising delivered to mobile devices over wireless networks. It creates new media channels for business advertising and marketing through mobile devices like phones, PDAs, and pocket PCs. Mobile marketing has three main advantages over other platforms: accessibility, personalization, and location awareness. The document then discusses various business models, revenue sources, and technologies used for wireless advertising like SMS, WAP, i-mode, and mobile apps/sites. It concludes by predicting continued importance of SMS, experimenting with rich media, evaluating mobile sites vs apps, interest in geo-location data, and growth of mobile video.