This document provides an introduction and overview of wearable technology. It discusses the history of wearable technology dating back to the 1960s and highlights some of the early prototypes. It also outlines the typical architecture of a wearable device system. Examples of current wearable technologies are given, such as smart watches, Google Glass, and activity trackers. Potential applications in healthcare, security, sports and other fields are mentioned. Advantages of wearables include being user friendly and collecting data hands-free, while disadvantages include small displays and need to enter data while interacting. The document concludes that wearable computing is an emerging technology that will make computers more integrated into work processes.