Users do not care about what is inside the box, as long as the box does what they need done.

[citation needed] Raskin later stated that were he to redesign the mouse it would have three clearly labeled buttons—two buttons on top marked "Select" and "Activate" and a "Grab" button on the side that could be used by squeezing the mouse. Curiously a few years later Raskin had a house big enough. His artwork was displayed at New York's Museum of Modern Art.

Jef Raskin (March 9 1943 – February 26 2005) was an American human–computer interface expert best known for starting the Macintosh project for Apple in the late 1970s.