The easiest way to add Facebook to your site, or Why don't you motherfuckers write some instructions that someone besides Mr. He and Mr. Chin can implement
Social plugins enable you to provide engaging social experiences to your users with just a line of HTML. Because they are hosted by Facebook, the plugins are personalized for all users who are logged into Facebook — even if the users haven't yet signed up for your site.
The Like button lets users share pages from your site back to their Facebook profile with one click. | The Activity Feed plugin shows users what their friends are doing on your site through likes and comments. |
The Recommendations plugin gives users personalized suggestions for pages on your site they might like. | The Like box enables users to like your Facebook Page and view its stream directly from your website. |
The Login with Faces plugin shows profile pictures of the user's friends who have already signed up for your site in addition to a login button. | The Facepile plugin shows profile pictures of the user's friends who have already signed up for your site. |
The Live Stream plugin lets your users share activity and comments in real-time as they interact during a live event. |