i see alot of people posting 1 or 2 min videos on how to unlock these "permenant" perks i dont see how it could be expained that easy is it just a quota you got to meet in a round or what ..for quick revive do you got to revive a bunch of people...another thing ...one time i was killing a zombie and a green electric spark came out of him what does that mean..and whats up with being on the bus and then all of a sudden being teleported