Like running atop any number of Apple products.: Parkour, for the uninformed, is an activity that involves maneuvering an environment by any physical means possible. Go to Youtube.com and search ‘Parkour,’ and you’ll find myriad videos of individuals from all sorts of urban locales over the world jumping from rooftop to rooftop, running along walls, and just generally getting from “point a” to “point b” in ways which would require considerable dexterity and flexibility; at its best, parkour ...