As any hardened London-based videogamer knows, urban living grants all manner of hidden benefits to spending endless hours of your life on hot, heaving buses and (even hotter) tube trains. Not only do you get to spend an inordinate amount of guilt-free time playing with handheld consoles while you travel, they're also a great way of killing time while you're waiting for lost and late friends to show up. Without public transport delays, my Virtua Tennis stats wouldn't be half as impressive.