We use the Facebook API to post our stories, I guess they have now developed one for the big dogs as well.
"Starting on Wednesday, big-name publishers such as The New York Times and BuzzFeed will now be posting articles directly to Facebook. Stories will live inside Facebook’s walls, more like a status update than a posted link. When you click, the story will open more like a friend’s profile page rather than an outside post. Along with the Times and BuzzFeed, inaugural partners for what Facebook is calling Instant Articles include…"