This document discusses the past and future of personal computing. It covers how PCs have evolved from large mainframe computers for businesses to personal devices for everyday use, driven by advances in hardware like integrated circuits and software like GUIs. The internet and rise of mobile devices like smartphones have transformed computing into an always-connected experience. The future may bring wearable devices, internet-connected appliances, and new interfaces like gestures. Security, privacy, and the role of cloud computing remain open questions as personal computing continues to merge with daily life.