Henry Ford. And he appears to have never actually said it. And this attitude cost Ford the early lead in market share.
http://blogs.hbr.org/cs/2011/08/henry_ford_never_said_the_fa...
http://blogs.hbr.org/cs/2011/08/henry_ford_never_said_the_fa...
Took my old brain a second or two to realize that I had previously heard that quote associated with Henry Ford.
You say that nobody wants to use desktops and people want computers to disappear. Unlike you, I don't believe that already, so do you have some evidence for it?