Digital Trends 2012 outlines several key trends in mobile business including mCommerce, geolocation services, mobile search, voice recognition, health data monitoring, big data, rising use of near field communication (NFC), and mobile advertising. The document also discusses instant messaging, social media, music and video streaming to mobile devices for free, and the "freemium" model of offering free basic services with paid premium upgrades. Case studies are provided on challenges with limited mobile ad formatting and opportunities for healthcare through collection and analysis of large datasets.