Steve Jobs is quoted in the 80's as saying that they aspire to make a computer that is essentially today's macbook or ipad.[1] It most certainly was impossible at the time.
I sure like mine though.
You know what you get when you limit yourself to the constraints of right now? The IBM PC Jr.
[1] "Apple's strategy is really simple. What we want to do is we want to put an incredibly great computer in a book that you can carry around with you and learn how to use in 20 minutes. That's what we want to do and we want to do it this decade." http://lifelibertytech.com/2012/10/02/the-lost-steve-jobs-sp...