Nixie tube calculators and punched cards -> Macbook Pro with Retina display. Encyclopedia Britannica taking up two meters of shelf space (and often requiring a trip to the library) -> Wikipedia over a 4G network. That's my generation :-)
I completely understand the desire to want to see physical changes in the real world, but the last 40 years have been extremely important in terms of building out learning infrastructure.
I'm very confident that the next 40 years are going to be nothing short of breathtaking in terms of the acceleration of innovation.
