Programming in the 1960s had a big problem: computers weren’t that powerful yet, and somehow they needed to split the capacities between data structures and procedures. This meant that if you had a large set of data, you couldn’t do that much with it without pushing a computer to its limits. On the other hand, if you needed to do a lot of things, you couldn’t use too much data or the computer would take forever. Then Alan Kay came around in 1966 or 1967 and theorized that one could use encapsulated mini-computers that didn’t share their data, but rather communicated through messaging.…
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