"Game changer" isn't a term that ought be thrown around loosely. It's the kind of thing that loses value each time it's uttered -- sort of how everyone's a "genius" of some kind or other these days.

If we've crossed paths in the past week, there's a pretty good chance I've scanned you. This extends well beyond the human race, into the realms of animal, vegetable, plush toy and fruit bowl. Some ...