jane asks, “why foo and bar?” hmm, good question. i don’t know, i’ll look it up. and we discover: Metasyntactic variable (god i love wikipedia)

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FUBAR = Fucked Up Beyond All Recognition (?)
An old army term? Marines? Some armed forces….

ha, yes, that too, except in this case she was asking why people use “foo” and “bar” as variables in computer programming examples.

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