Eyes of Internet

Internet, thousand years from now, people would look back and compare the invention of internet to the discovering of fire. Yes! Just like fire, Internet has changed the way our human live forever. It literally has became an alternative world to our life. It provides information, entertainments and the different window for us to look at the world of other people. However, that window can also allow the "internet world" to look back at you. It is impossible to delete your track on the internet. Wherever you go, whatever you do, your evidences of existence in the world of internet are being recorded. It could be simple such as cookies in your browser or something technical like your I.P address. Whatever those evidences are, some strangers out there know the way to collect them and look back at you from from the internet