Photos: The mouse (and even better ideas) that roared 40 years ago

Engelbart closed his 1968 demo by thanking his 17-person team, for "backing me all these years in this wild dream of doing this sort of thing and they're all catching fire and I want to just tell them all right now that I owe them a lot." Forty years later, they thanked him back.

Photo by Scott Ard/CNET Networks

Caption by Scott Ard