This document discusses the growing popularity of tablets and smartphones for reading content. It provides statistics that over 50% of US adults own a tablet or smartphone, and tablet ownership is expected to grow significantly. Reading is a top activity on mobile devices, and people tend to read more and for longer periods on tablets compared to other devices. There is also a fast shift from print to digital formats, with 60% of readers of one publication expected to switch to digital by 2013. Overall tablet and smartphone ownership and use is increasing rapidly based on several reports.