Grey
Dialectical Hermeticist
I have found a wonderful site called Fail Forward, which curates links to articles about roleplaying, and so far this stuff is gold. One I really liked and will use in future:
http://lookrobot.co.uk/2013/11/25/two-factions-run-better-games-players-without-knowing/
http://lookrobot.co.uk/2013/11/25/two-factions-run-better-games-players-without-knowing/