The difference is between actively sharing information -- uploading an image with location data, checking into a restaurant or other business -- and passively sharing it (what the tech companies like to call "frictionless" sharing).
Screens shots that purportedly show the new Android homepage, possibly called Facebook Home, show buttons along the top for common Facebook actions, such as updating a status, posting a photo or checking into a location, and icons for the major Facebook apps including Instagram and Messenger in the center of the screen.