The document discusses the Internet of Things (IoT). It defines IoT as the network of physical objects embedded with electronics, software, and sensors to collect and exchange data. The document outlines the history of the internet and how everything has become digitized. It discusses current uses of IoT in areas like smart appliances, healthcare, wearables, and transportation. The future outlook is that each person will interact with 3,000 to 5,000 connected devices. However, increased connectivity also increases risks of terrorism and hacking of critical systems.