The co-founder of Google has promised we're almost at the point where smartphones will be implanted in our brains. "If you think about a fact," he says, "it will just tell you the answer." Philosophy professor Michael Patrick Lynch takes it a step further. What if generations of people come to depend on such implants…and then something happens to make everybody's implant crash. That's the starting point for his new book, The Internet of Us: Knowing More and Understanding Less in the Age of Big Data.