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San Francisco has about 400,000 homes. Suppose they are each worth $100k.

Only about 5,000 of them sell in a given year. Suppose Facebook shows up all at once, with >5,000 new millionaires from the Midwest. They run an auction with each other for those 5,000 homes. The price they settle on is $1.5 million. This becomes the comparable for every existing home.

So the system started with $40bn in home equity value. We injected $7.5bn worth of tech money. And we wound up with $600 billion in home equity value. 395,000 people got $1.4 million in home equity out of thin air. And they can use it to trade with each other, generating many more than 5,000 transactions at the "Facebook millionaire" price.

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