We talk to John Koetsier, who heads up VentureBeat's new research product, VB Insight -- which is collecting hundreds of thousands of data points to make sense of the burgeoning field of marketing technology. With more than $3B poured into this sector in the last quarter, there's a lot of hype but also some nuggets of real value.
Plus: We tell you what to think about Google's new Fi wireless service, how Facebook is trying to kill Google, and what Amazon's $5B in revenues for AWS means.
