HyperCard creator Bill Atkinson —who developed the idea after an LSD trip — puts it more simply (in the very awesome video below):
ah yes, the best software is made with drugs 
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@icedquinn Well yeah, hypercard breaks a ton of rules and that's probably why Apple killed it too.
@swiley it does?
@icedquinn Yeah, What's the output? Code? Documents?
Is it a programming language? A file format?
