Think of 21st century bubbles. The #dotcom bubble was a terrible tragedy, draining the coffers of pension funds and other institutional investors and wiping out retail investors who were gulled by Superbowl Ads. But there was a lot left behind after the dotcoms were wiped out: cheap servers, office furniture and space, but far more importantly, a generation of young people who'd been trained as web makers, leaving nontechnical degree programs to learn HTML, perl and python.
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