The role of the Western world in 2050.
Hans Rosling has become well-known for his intriguing presentations where he dismisses presuppositions like pre conceived notions or ideas. His presentation skills is compared to most, just brilliant.
In June 2010 he held a presentation where he in 10 minutes not only describes how to stop global population growth but also predicts the role the Western world will play in the year 2050. He has earlier illustrated this phenomenon by using Lego.
Just watch the TED-video and enjoy the brain friendly way of learning.