This document discusses trends in mobile search and devices. It notes that US smartphone penetration reached 46% in 2012 and mobile searches are growing rapidly. The top mobile devices in 2012 were iPhones, Android phones, and BlackBerry devices. By 2015, there will be more local mobile searches than desktop searches in the US. The document also compares building a mobile-optimized website versus a native app, noting pros and cons of each approach. It emphasizes having a mobile strategy and understanding which devices your audience uses.