Continuing from my last post, I learned a few tricks by watching some video from DefCon 18. Everyone has a web browser. You can use the browser to deliver software to users.
FaceBook has a feature where the client checks whether a user's friends are online or not. This is just an HTTP request to FaceBook. Good stuff to know.
The MAC address is set in hardware. It cannot be changed. Once you have the user's MAC address, you can send it to Google. Then Google will tell you where the router is located geographically. Bamm. You can track the people who come to your web paged. Owned.
Timing is Everything - I was assigned a tricky problem to work on. Some of the data was missing in our production environment. Everything seemed to work fine in development and ...