Earlier iterations of the game played with different styles of dynamic layout, but the concept was always part of the design in one form or another. (gameramble.com)
You have to give it to Apple for being perhaps the dominant partner, not least because of their experience in delivering highly refined UX, prototyped for cross platform experience and greater comfort level with dynamic layout, WYSIWYM app canvas etc.. (gigaom.com)
A baseline to facilitate aural rendering is to utilize semantic HTML designed for dynamic layout. (idpf.org)