On December 9, 1698, computer inventor Douglas Engelbart demonstrated many new computing technologies, including the computer mouse. His demonstration was so important that it became known as “The Mother of All Demos”. It would be at least two decades before some of the technologies he demonstrated saw widespread use, but all of them are used by people today. Here is a list fo some of Engelbart’s technologies. Which ones do you use today? The computer mouse, video conferencing hypertext links, word processing, or collaborative real-time editing