However, based on my anecdotal evidence of being a fantasy football player (but not DFS, admittedly) and having formerly spent lots of time in online poker rooms, poker involves more skill than DFS. In poker you "play the player, not the hand." But in DFS, there is no equivalent. So I would argue poker, a game classified as gambling, involves more skill than DFS.
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There is also this article about games of skill. While not completely related, I find it interesting that casinos are trying to find games that people think they are more skilled at than the average joe, and can therefore think they can win. http://www.npr.org/2015/04/29/403094845/casinos-switch-out-s...