Make: a facial-recognition confounding "Opt Out Cap"

Mac Pierce created a simple wearable to challenge facial recognition: do a little munging to an image of a face, print it on heat transfer paper, iron it onto see-through mosquito netting, slice, and affix to a billed cap -- deploy it in the presence of facial recognition cameras and you'll be someone else. It's the kind of "adversarial example" countermeasure that fools computers pretty reliably but wouldn't work on a human. (via JWZ)