On Friday morning of March 10, state financial regulators marched into the offices of Silicon Valley Bank (SVB), a hitherto obscure (except perhaps to techie types) financial institution. Just two days prior, SVB was a going concern, albeit facing some cash crunch issues. But a combination of urging by certain prominent venture capital executives—amplified by social media chatter—sparked a massive run by depositors, and by Thursday evening, the bank was effectively insolvent. The collapse of SVB was the largest bank failure since the Global Financial Crisis of 2007/08.