The idea of Big Data, so much information that traditional data analysis tools cannot process it, has been around for a while now. We collect data, we store it, and we plan to use it. There must be value in all that information. Many of us are actively saving terabytes of data. In “Understanding Big Data: You have it, but how do you get value from it?” I take a look at the four critical questions you can answer with your mountains of ones and zeros.