Check out another talk by Hans Rosling where he visually demonstrates that 10 billion figure: http://www.ted.com/talks/hans_rosling_religions_and_babies.html ht

Check out another talk by Hans Rosling where he visually demonstrates that 10 billion figure: http://www.ted.com/talks/hans_rosling_religions_and_babies.html http://www.ted.com/talks/hans_rosling_religions_and_babies.h...