Tablets are taking over, so make sure your site is happy to the touch. At the time of this writing, there are nearly 70 million tablet users in the U.S. alone, a figure that has doubled from the year before. This means that nearly 30% of the country’s Internet users are browsing on a tablet device. Tablet traffic to e-commerce sites grew by 348% from 2011 to 2012, overtaking smartphone traffic for