What about a bad guy that turns on your camera to watch your keyboard while you're on a shopping or financial site? It seems like a more valuable target to capture banking and email passwords than knowing the specific shape of your body - a shape that's probably not very different from most people in your demographic. Krebs has details about the value of a hacked email account: https://krebsonsecurity.com/2013/06/the-value-of-a-hacked-em...