The Moto X Might Have a 4.5-inch Screen and a Back Made from Kevlar (Updated)
Source: http://gizmodo.com/the-moto-x-might-have-a-4-5-inch-screen-and-a-back-made-844310614
Motorola and Google both don't even care about keeping the Moto X a secret, plastering it on its August 1st announcement invitation