This document is an introduction to IoT that was created by Yong Heui Cho of Mokwon University. It refers to and gives credit to a 2015 slideshare on IoT by Imran Shafqat. The document covers definitions of IoT, examples of IoT growth from 2010 to 2014, core IoT activities, the relationship between IoT and cloud computing, an IoT architecture diagram, and examples of the Intel Galileo GEN 2 and Samsung ARTIK IoT boards.