The document discusses trends in the smartphone market including the growth of the iPhone. It provides statistics on the iPhone's market share and success of the App Store. Examples are given of popular app categories for the iPhone like mobile location-based services, social networking, gaming and advertising. Emerging trends like augmented reality, micropayments and social gaming are also examined along with case studies of specific apps. Contact information is provided for an app review website that reports on Apple, iPhone and app news.