The document discusses the Internet of Things (IoT). It defines IoT as the network of physical objects embedded with electronics, software, sensors, and connectivity that allows them to collect and exchange data. It notes that the concept first became popular in 1999 through RFID being seen as key to connecting objects. It describes how IoT works through technologies like RFID, sensors, smart technologies, and nanotechnologies to identify, track, collect, and process data from physical things. The document also mentions that IoT acts as a network of networks that will become more powerful through added security, analytics, and management capabilities.