If you have question about the business model of Facebook, you are right place. For Hindi audience, in this video I tried to explain how Facebook makes money through advertisements and other things. You are not paying anything directly to Facebook, but how does it make money indirectly from you and your time.
Mentioned Links -:
Facebook – https://facebook.com
Character Image Credit – http://www.freepik.com/free-vector/emoticon-characters_761995.htm
Video Designed and Animated by – http://sisme.in