How to Make a Million-seller game!

One of the benchmarks these days to identify an actual hit title is to sell a million copies. In my restless search for identifying the key elements necessary to create such a game, I stumbled across this amazing research. I think they could be on to something, here. I can't be the only one who has noticed this: watch in the near future as EA, Microsoft and Sony begin including free candy with the purchase of their games.