At last year's Toy Fair, Mattel was all about Apptivity. The line of figures that interact with an iPad didn't exactly revolutionize the industry. But, the company isn't giving up on the concept. In 2013 it's evolving and moving from action figures that you drag across a screen, to much more interactive augmented reality concepts. Rather than simply slapping a capacitive pad on the bottom of a toy, this next-gen version focuses first on delivering a solid analog experience, then enhances it by actually using the considerable computing power made available by the iP