I love this video of my friend Lloyd Kahn (founder of Shelter Publications) talking about his joy of skateboarding. He's 76, and started boarding as a wee lad of 65.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects