This document provides an overview of past, present, and future technology. It discusses some key technologies from the past including those developed by ancient civilizations like Mesopotamia, Indus Valley, China, Greece, and Rome. It then discusses past technologies used for education like chalkboards and projectors, as well as communications technologies like landlines. The document outlines some major present-day technologies like computers, the internet, smartphones, and 3D printing. It notes that the internet and digital connectivity have revolutionized many aspects of modern life, including education, communication, and jobs/careers. Finally, it acknowledges debates around teaching keyboarding and other digital skills in schools.