AMAZON GOES MAKER: Amazon's Jeff Bezos has always been a Maker fan: In past years, the Seattle billionaire has been spotted at the Maker Faire. Now Gizmodo reports that Amazon is ratcheting up Maker activities by selling 3D printers and supplies on its site. And yah, just in time for Fathers' Day! If you're shopping, Engadget has a handy consumers' guide to 3D printers. Guess that's one way to make Making go mainstream!