Facebook has become a global phenomenon and overcome every other website or service on the internet. 500 Million+ users and a growth rate of as high as 40% in countries like India & China is enough to assert the fact that Facebook is going to remain the king of internet for a while!One of the best features about Facebook is that users can create and add their own applications which other users can use and “Like”. Not only this, engineers at Facebook have even come up with their own modified scripting languages like FBML (Facebook Mark-up Language) which is like an advanced modified version of HTML. Also there is FBJS (Facebook JavaScript) which is analogous to the normal JavaScript, and then we also have the FQL (Facebook Query Language) which is analogous to SQL...