The document discusses developing mobile IoT applications for a connected world. It explains that the aim of IoT is to reduce errors through automation and improve operational efficiency. By 2020, each person will own 19 connected devices. Popular IoT application areas include smart homes, wearables, retail, industrial uses, connected cars, smart farming, and healthcare. When developing mobile IoT apps, developers should consider using a layered architecture with things, actuators, cloud servers and analytics. The choice of platform and solving real problems are also important, as is embedding security.