That sounds like the kind of a data-driven, "42 shades of blue" approach Google is known for. :) There was a kerning game on Hacker News a while ago. The player

That sounds like the kind of a data-driven, "42 shades of blue" approach Google is known for. :) There was a kerning game on Hacker News a while ago. The player's goal was to arrange the letters of a word to the "correct" kerning. Now imagine something like that at Google scale, like captchas or the Google Image tag matchin game.