Facebook

Likes

• https://developers.facebook.com/docs/reference/plugins/like/
• http://www.insidefacebook.com/2011/03/22/like-button-style-guide/

• https://developers.facebook.com/docs/reference/plugins/like-box/

• http://www.daddydesign.com/wordpress/how-to-customize-your-facebook-fan-box/

Dev

• https://developers.facebook.com/ Facebook Developers]
  • JavaScript SDK
  • Debugger - Input URL, Access Token, or Open Graph Action ID