CodeCanyon - Advanced Facebook Content Locker v1.0 | 655 KB
Advanced Facebook Content Locker is a WordPress plugin that gives the ability to lock any page on your website & make it visible only if the visitor clicks the Like button,
Increase you facebook page fans, URL likes & Drive more Social traffic to your website
DEMO:
http://codecanyon.net/item/advanced-facebook-content-locker/1506489