This application automatically generates a post in the news stream of your visitors, you can publish anything you want. After the user has authorized the application you can offer them for example coupons,special download links, special content and more! The user data will be stored in your database. This is an very effective way to inrease your Facebookvisitors and Fans. There also is a Wordpress Version of this.
PHP Scripts - Facebook Promotion App | CodeCanyon