Charlie Rose interviews Stephen Levitt, author of Freakonomics, about his book. Explores how unlikely events can impact future trends, like the rise of legal abortions led to decreased crime 20 years later.

Trends and statistics from around the world, and how they are estimated to impact the future.

Ray Kurzweil describes technology trends, including nanotechnology, AI, and genomics. From 2005 TED conference.