While this will likely raise serious civil liberty issues – you have to ask yourself how much privacy is still left in this day and age.
Google, Yahoo and a bunch of other companies have records of every web page you ever visited, every email you sent and received through their email services, and who knows, maybe even every chat you’ve had using their instant messenger app. Pretty soon, and if their newest service takes off, Google will have copies of every file on your desktop. Using embedded GPS technology, telephone companies and car manufacturers can track all your whereabouts. And when satellite image services become real time, anyone will be able to watch who comes and goes at your house.