Zeitgeist is a modern cyber thriller, the hero is a Big Data analyst, who can use i. e. data from your phone to predict your future behavior and it's not made up, it's real, the author works for big companies doing just that, but on bigger consumer groups, to predict future trends on the markets. It's a story about corporations and whistleblowers, blogger-journalists, but action-packed and intense. It also has a few shocking plot twists.
