we can know people “better than they know themselves
The Past and Future of Product Management
Matt LeMay

Coming from the video-game industry, data has always been used in video-games to identify habits, and what people do (in the game) — but not how they feel about the game.

You can look at data all you want, but it wouldn’t tell you if the game was fun. The only way you got that was by talking to your players.