I only just realised that my obsession with knowing where every security camera, hiding area, ambush point and exit is comes from the influence of games and movies. I will always be ready should I need to hide from terrorists with access to cameras. Or if I ever need to leave in a hurry, which is genuinely useful.

Also, the Assassin's Creed method of getting through crowds FREAKING WORKS. People don't appreciate it much, but who cares? ZOOM!