Foreword by Raymie Stata

William Gibson was fond of saying: “The future is already here—it’s just not very evenly distributed.” Those of us who have been in the web search industry have had the privilege—and the curse—of living in the future of Big Data when it wasn’t distributed at all. What did we learn? We learned to measure everything. We learned to experiment. We learned to mine signals out of unstructured data. We learned to drive business value through data science. And we learned that, to do these things, we needed a new data-processing platform fundamentally different from the business intelligence systems being developed at the time.

The future of Big Data is rapidly arriving for almost all industries. This is driven in part by widespread ...

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