On this episode of the Most Useful Podcast Ever, Austin Robey, founder of Brooklyn 3D-printing studio MakeMode, stops by to tell us who stands to benefit most from the 3D printing revolution. Then, associate editor Matt Goulet tries out four methods of peeling hardboiled eggs, senior home editor Roy Berendsohn tells us about the old song that made everyone confuse concrete and cement, and some of the staff members break their keyboards and try to find a better way to wake up.