I’m only a few years old, but I already know your name, date of birth, address, and the number on your government issued ID. I even know, to within the minute, the last time you used the bathroom. This isn’t difficult, and if you’ll give me a few minutes, I’ll explain how I know this. I work in predictive analytics – it’s my job to know all about you, and everyone. You see, you went shopping recently and bought a product – any product, it doesn’t really matter what. In fact, you bought several products, and when you did, a record of what you bought was sent to a vast computer network. Within that network a lifetime record of your…