What will it mean for all of us to grow up, live and age in a society where half the citizens are over the age of 50? Take 4 minutes and watch this video (promo of the documentary that will air on PBS in 2015). These are fascinating concepts about how aging is changing in the US and the world. Never in human history has this been our reality. And it’s not just America – Europe, China, Japan – we are an aging globe. It’s new and it’s not temporary – this is a permanent historic transformation.