On December 9, 1968, a group of engineers led by Douglas Engelbart crowded into an auditorium in San Francisco to show off a groundbreaking new system they’d designed for interacting with a computer. Moving beyond the cold realities of the keyboard (and even the punch card), Engelbart’s creation would open up a new world of computing from that day on. His invention: The mouse.
It would take years for the mouse to catch on (beginning primarily with the introduction of the original Macintosh in 1984): By that point Englebart’s patent had expired and he never received any royalties for inventing the thing. Try to imagine how much money he’d have if he had earned a penny from every mouse ever produced…
Source: Yahoo Tech New
