To the naive mind collecting data sounds like science. It is not. A datum is the result of an instance of observation. But observations do not become science until they are made sense of. People observed the movements of planets for thousands of years. They kept intricate charts. But for all those years no one could explain the seemingly incomprehensible movement of those planets. And then Copernicus came along and in one simple theory explained what for millennia seemed beyond comprehension. The planets moved the way they did because they were circling the sun, not the earth. That's what science does. It takes data and makes sense out of it. Today the advertising industry has unimaginable quantities of data and hardly an ounce of science. Ask any advertising person for data about the Google or Facebook buy they made and you will get reams of papers and stacks of charts and tons of reports. You will get a festival of data. Then ask that person to name one - just one - major consume...