A gimmick lens from my favorite purveyors of craptastic plastic, Brando. It attaches to a smartphone camera lens so you can take photos at a 90-degree angle just like Weegee did!
(Image from photo.net)
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