Caturday: Leo and Lily, an iPad and a Retina MacBook Pro, and what used to be a stylus

We're starting off a year of 2015 Caturdays with a roar, or at least a loud meow or purr. These amazing cats are Leo and Lily, the furry friends of TUAW reader Cindy Lauman. That's Lily above, enjoying the warmth and companionship of a MacBook Pro wi...