The document provides a history of computer gaming from the 1970s to the present. It describes the origins and evolution of gaming consoles over time, from early systems like the Magnavox Odyssey in 1972 to modern portable devices. Key developments discussed include the introduction of cartridges with the NES in 1985, the rise of CD-based systems in the 1990s, the integration of online connectivity starting in the 2000s, and the recent additions of motion controls and touchscreens. The gaming industry has grown tremendously over the past decades to become a multi-billion dollar business.