Author and activist Barbara Ehrenreich has an interesting take on the darker side of positive thinking, which is illustrated in an engaging fashion in the following 10-minute clip.

If you enjoyed this clip - the animation is quite excellent - you can see other animated talks from the RSA, the UK-based Royal Society for the encouragement of Arts, Manufactures and Commerce, an organization dedicated to developing and promoting new ways of thinking about human fulfillment and social progress.