These docs also affirm what we'd heard about integrated Beats Audio technology and Tap to Share, with the second-gen Touchstone to also handle wireless picturesharing, cordless audio streaming and tether-free video beaming (just to name a few).
Now, in the rush to silo off eyeballs, Twitter has damaged the picturesharing fabric that helped grow Twitter (the forced usage of Twitter Cards), and is trying to replace the loss of Instagram on its networks with some filters in the mobile app.