I ran into a task today that led me to wonder about the best approach to create and implement CSS background images for hi-resolution displays like those found on more and more mobile phones and tablets. Hi-res displays, like those phone on the iPhone, iPad, Kindle HD, and the latest Motorola Droid and Samsung Galaxy phones, are capable of rendering stunning, sharp images—but only if you supply them through your Website or app. Read more about CSS: Background Images for Hi-Resolution Displays (like Apple's Retina)