This document discusses the rise of big data and the data economy. It begins by comparing the growth of transportation infrastructure like highways and the internet to the growth of digital data. It then discusses the various types of data being created, including website data, social media data, mobile data, and machine data. It explains that while the scale of data seems vast, most individual data points are worthless alone. The value comes from combining different types of data to generate new insights. It concludes by looking briefly at the history of data analysis and hypothesis testing, and how our approaches may need to evolve to analyze the vast amounts of data now available.