Facebook overhauls Audience Network because 'not all clicks are created equal'

Facebook is to update its ad network in a move geared towards encouraging publishers to improve the overall user experience of their apps, instead of optimizing them solely to increase clickthrough rates (CTR) on ad placements.
The social network today (October 13) announced that over the coming months it will overhaul the Facebook Audience Network in a bid to improve its ability to value ad placements on the network of third-party mobile app inventory after a series of earlier tests.  &nbs