People who are computing security paranoid, like me — even though they have nothing super-duper in value on their Windows 7 machines to protect — might want to take a look at TheCustomizeWindows’ Create an USB key to lock and unlock Windows 7 to enhance security tutorial so they can somewhat physically secure their Windows machine a little better by having this additional layer of security.  Onto the next big idea, but of course someone might already think of this.  Nonetheless, I still have not seen something like this yet in practice.  The idea is having iPhone or Android app which somehow stores the USB key so users can unlock Windows 7 this way.  Of course, it might not be doable since nobody has done…