BlogUnsure of Your Source: We've Got You Covered
Facebook: Like More, Share Less
Instead of just posting an insignificant link, the button will now further push whichever page you like at the moment with a full headline, thumbnail picture and blurb, and your friends will be able to comment on the post.
But as with all things Facebook, don’t get too comfortable with the new functionality – you never know when everything will change suddenly again.
Article via Mashable: http://osmos.is/foJQLZ