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Can somebody provide some context for the video?

It's incredible to see how many of the concepts in this video is still present in a modern user interface.

The voice is Alan Kay who lead the invention of the modern day Desktop computer / GUI. The system is probably a prototype of the Dynabook, a laptop / tablet for children.

The code is Smalltalk which Alan and team created while inventing Object Oriented programming.

You can play with Squeak, which is the modern version of this system.

PARC was great.

Every time I get hold of documentation about their systems, I cry a little tear that we are still playing catchup with those environments.

Specially when I see developers happily coding as if they had a PDP-11 on their lap.

Interesting video. The response time is clearly better than OS X, but this OS will never take off with those fonts.

Another version of this video (with Alan Key reviewing this same video from the 70's later in 1987 and giving some more context) is: "alan kay - doing with images makes symbols" http://archive.org/details/AlanKeyD1987?start=2240

I wish this software was still around to play with in some sort of simulator.

PARC Movies [video]