The Share button was once available only to website developers. The button was placed on third-party websites, where a user could click on it to link the site's content to her Facebook profile.

Last month, Facebook dropped the news about their “Open Graph” or new Facebook Platform that brings content into Facebook – and of course expands Facebook’s web reach out to a more ...

A "Share" button on a Facebook page posts that page to the user's wall. When placed on a fan page, or a page dedicated to the promotion of a person, product or service, the "Share" button allows ...