How odd to read a book where a single, simple change would’ve improved it immensely.  The premise – applying economic theory to commonplace mysteries – is an interesting one, but in the introduction Frank shows its Achilles heel even as he shows the reader how he could have avoided it. He discusses the mystery of Braille keypads on drive up ATMs, and posits that the manufacturer of keypad buttons would have to have made two sets of buttons depending on whether they were for drive […]