You Know What's Cooler Than A Billion Dollars? A Billion Users. - TechCrunch

Editor's note: Benjy Weinberger is foursquare's West Coast Engineering Lead. He previously worked on infrastructure and revenue engineering at Twitter, and before that spent eight years at Google, working on search and ads engineering. [Full disclosure: I have never worked at Facebook, and own no Facebook stock, but I do know and respect many people who work there.]

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