This SDK is included in the Facebook JavaScript SDK. With the SDK, businesses can control when to show or to hide the plugin, as well as when to show or hide the welcome dialog. Additionally ...

Okay, that was lame, I’m sorry. The JavaScript API status on the Facebook developer blog reads: “Currently, the JS SDK is returning /* Not a valid locale. */. We are working on a fix now.

As noted by AllFacebook.com, developer Tom Waddington located some code within the Facebook Javascript SDK that pointed to the development of a "want" button. It appears that the option is still ...