Started by users iOS, the Facebook adds a very useful one mode automatic improvement of… photos you.
Beyond the auto-enhancing of photos you upload to iOS device you can have it yourself control of processing, adjusting brightness or sharpness, but even reset it photo in its original state, if you are not satisfied with the result.
Let's remind that auto enhancement feature in photos has been around for quite some time now Google+, with Facebook to "Enters the game". with emphasis being placed on first of all mobile users, as well, beyond iOS, the feature will soon be available in Android its application.