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Tech bubbles happen, but we usually gain from the innovation left behind. This one—driven by social networking—could leave us empty-handed

As a 23-year-old math genius one year out of Harvard, Jeff Hammerbacher arrived at Facebook when the company was still in its infancy. This was in April 2006, and Mark Zuckerberg gave Hammerbacher—one of Facebook’s first 100 employees—the lofty title of research scientist and put him to work analyzing how people used the social networking service. Specifically, he was given the assignment of uncovering why Facebook took off at some universities and flopped at others. The company also wanted to track differences in behavior between high-school-age kids and older, drunker college students. “I was there to answer these high-level questions, and they really didn’t have any tools to do that yet,” he says.

Over the next two years, Hammerbacher assembled a team to build a new class of analytical technology. His crew gathered huge volumes of data, pored over it, and learned much about people’s relationships, tendencies, and desires. Facebook has since turned these insights into precision advertising, the foundation of its business. (…)

After a couple years at Facebook, Hammerbacher grew restless. He figured that much of the groundbreaking computer science had been done. Something else gnawed at him. Hammerbacher looked around Silicon Valley at companies like his own, Google, and Twitter, and saw his peers wasting their talents. “The best minds of my generation are thinking about how to make people click ads,” he says. “That sucks.” (…)

Hammerbacher quit Facebook in 2008, took some time off, and then co-founded Cloudera, a data-analysis software startup. He’s 28 now and speaks with the classic Silicon Valley blend of preternatural self-assurance and save-the-worldism. (…) He’s not really a programmer or an engineer; he’s mostly just really, really good at math. (…)

On Wall Street, the math geeks are known as quants. They’re the ones who create sophisticated trading algorithms that can ingest vast amounts of market data and then form buy and sell decisions in milliseconds. Hammerbacher was a quant. After about 10 months, he got back in touch with Zuckerberg, who offered him the Facebook job in California. That’s when Hammerbacher redirected his quant proclivities toward consumer technology.

{ BusinessWeek | Continue reading }