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while probly a bit lengthy for the adhd crowd, amongst whom i do most humbly count myself, it is simply the best overall review i have seen of the game's meta-mechanics. i highly recommend a read for all of you interested.
"There are at least two kinds of games.
One could be called finite, the other infinite.
A finite game is played for the purpose of winning,
an infinite game for the purpose of continuing play."
Finite and Infinite Games, James Carse