Tom Simonite: Heading Facebook’s effort to figure out what can be learned from all our data is Cameron Marlow, a tall 35-year-old who until recently sat a few feet away from ­Zuckerberg. The group Marlow runs has escaped the public attention that dogs Facebook’s founders and the more headline-grabbing features of its business. Known internally … Continue reading What Facebook Knows: The company’s social scientists are hunting for insights about human behavior. What they find could give Facebook new ways to cash in on our data—and remake our view of society.