Open Graph Protocol for Facebook is the one great way of social optimization for your store and converting Facebook users into customers. This module allows you to control showing of your store on Facebook news feed. Open Graph Tags tells to Facebook what custom images, text, and more to use on Facebook Wall when users likes and share your store. With this module your store will be looks awesome on your customer's Facebook Wall. For social networks very important control how your site's information is shared, and it particularly useful for e-commerce stores. When you will add this module to your store, after some time more and more Facebook users will like and share your store. Module automatically adds META tags in code for optimization with Facebook and search engines. Open Graph tags are the most important thing in integration with Facebook. It is really SEO friendly module, maybe it is best in nowadays.