For $1 million would you give up everything you own for 21 days, sleep naked on a bare floor, and run au naturel through the streets to carry on with your day? 

A rather exaggerated way to earn that much dough while delving into your psyche's prioritization of what is essential to you.  Would you be game?  Read more about this crazy experiment and how it might give you some food for thought about your possessions.