Hacker News
- What Makes Monopoly, World of Warcraft, and Mario Kart So Much Fun? http://systemsandus.com/2015/01/04/the-feedback-loops-in-games-what-makes-monopoly-world-of-warcraft-and-mario-kart-so-much-fun/ 27 comments
- Rise of the American Professional Sports Cartel http://systemsandus.com/2014/06/09/the-american-professional-sports-cartel/ 16 comments