What randomness is, why it matters and occurs in gaming, how we can interpret and analyze randomness, and when it is or is not an appropriate game mechanism for a game design:

http://www.boardgamegeek.com/blogpost/11133/as-luck-would-have-it-on-randomness-uncertanity-a

SEE ALSO:

http://cardboardedison.tumblr.com/post/24951789254/the-ludology-podcast-takes-a-look-at-the-use-of