I think that when it comes to "the Google contact lenses dystopia" there is no better comment than a short movie "Sight" http://vimeo.com/46304267. (It starts with gamification of cucumber cutting.)
Its funny that the game in the opening of "Sight", released 10 months ago, is similar to one they had at Google IO this year. http://www.youtube.com/watch?v=qqOluB4e-q4