#3 in "Gamification Chess", #1 in Amusing Chess Pictures
Anyways, while I am hoping this post isn't too esoteric, the fact is that studying the game of chess has historically been a rather dull activity. While this may seem odd given that you're studying for a game, the fact is true. The tried-and-true method has always been to study the games of former masters, while at the same time delving deep into books upon books of theory. I can honestly say that after the 20th book discussing the benefits of 2... exf4*, I nearly gave up on the game out of boredom.
As a user of the aforementioned systems, I can honestly say that it has kept me in the game much longer than I would've been without said services. If it can maintain my interest in chess, imagine what it can do for society as a whole.
* +10 points to whoever can tell me what this basic opening is in the comments