FB Exchange Script - Version 1 This script is a powerful exchange system for Facebook: For example, you have an Facebook Fan Page, but you don't have enough fans, with this system, you can increase your fans page. How you can do that it's very simple, for every “Like” received from you, to another member, you earn coins. For every coin, you earn 1 Like, so this is the exchange system for Facebook. This system work the same for your websites.