text: Douglas Engelbart created the first one of these devices in 1963.
full_question: Douglas Engelbart created the first one of these devices in 1963. Despite John C. Dvorak's famous prediction that nobody would want them, they became extremely popular after being bundled with the original Apple Macintosh. Now available in optical and mechanical varieties, and commonly featuring featuring two or three buttons, this is for ten points what computer accessory used for pointing that is named for a rodent?
first_sentence: Douglas Engelbart created the first one of these devices in 1963.