If eEye can gather data about personal transactions, imagine what a government agency can find out about an identity. The world has reached a point, where we have to think twice before we buy online or shop at Vons. In the past, where people shopped and what they bought was something trivial. It should be if it were not today's day and age. It's all rather simple, computers are part of our everyday life, but more than most people realize.
Most people use a computer at work and at home.
However, most people do not think about the little things. All of these things travel through a computer in one way or another and in the end most land themselves in the database of databases. The same goes for being online. When a user visits a website they look at a lot of things about them. Some open hidden windows via JavaScript to track every site the user goes to and collects the user's interests.