"Steve Baker puts his finger on perhaps the most important cultural trend today: the explosion of data about every aspect of our world and the rise of applied math gurus who know how to use it." --Chris Anderson, Editor-in-Chief of Wired Magazine (Wired Magazine ) An urgent look at how a global math elite is predicting and altering our behavior -- at work, at the mall, and in bed Every day we produce loads of data about ourselves simply by living in the modern world: we click web pages, flip channels, drive through automatic toll booths, shop with credit cards, and make cell phone calls. Now, in one of the greatest undertakings of the twenty-first century, a savvy group of mathematicians and computer scientists is beginning to sift through this data to dissect us and map out our next steps. Their goal? To manipulate our behavior -- what we buy, how we vote -- without our even realizing it. In this tour de force of original reporting and analysis, journalist Stephen Baker prov