Facebook application is the new-fangled trend of making money online. The social networking industry has boomed in the recent years giving way to investors to earn by creating their applications and using it for commercial purposes. According to the statistics, Facebook today is the number one used social network leaving behind all others such as orkut, Bebo, MySpace and the like.

Facebook, today, stands as the largest and a gigantic social networking platform which has given an open end opportunity for application developers to use their applications for commercial purposes such as ecommerce and advertisement.

Facebook applications are merely software programs or modules that can be added to a user's profile. These mini applications are easy to develop and are meant to work within Facebook itself. The ease of developing a Facebook application might be the reason of its intensifying popularity.