. . . "Economist Nalebuff and law professor Ayres insist that ???innovation is a skill that can be taught,??? and distill it into a few rules of thumb, like ???where else would it work???? (putting airline data recorders into cars, for example) and ???would flipping it work????, which involves gonzo conceptual inversions like students raising their hands to not be called on or ???reverse 900 numbers??? w" .