Silicon Valley braces itself for a fall: 'There'll be a lot of blood'

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The last few months have been hard on Silicon Valley startups, as a series of "down rounds" across the tech world chop established companies in half and stock collapses move billionaires back to millionaires. There's a sense that San Francisco's excess is peaking; investors asking for their money back, house-flipping seminars popping up across Facebook, and gold-flaked pizza signal the end of times.