Today I found the hidden cheat code in facebook.. follow the procedure carefully and you will the the amazing thing that facebook had hidden.
1). click on white part of facebook profile(after logging in)
2). use keyboard and press your up-up-down-down-left-right-left-right-b-a- and press enter.
now you will find that whereever you press your mouse / click your mouse, bulzing like eye structure comes.. below is what you can see.....