The magnifier was built for us by the super talented @taybenlor. You should tweet him to tell him you like it :) That SO post is pretty thorough! Yep, it's a

The magnifier was built for us by the super talented @taybenlor. You should tweet him to tell him you like it :) That SO post is pretty thorough! Yep, it's a canvas element with rounded corners moving around on top of a fairly stock-standard slideshow. It uses a css transform to scale and this stackblur library (http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.h...) to make it look like it lifts as it moves from place to place.