Aj Jacobs

We often forget to say the words "thank you." But can those two words change how you — and those around you — look at the world? In this edition of the TED Radio Hour, you can hear five TED speakers…

On the suggestion of his son, AJ Jacobs decided to personally thank each and every person who makes his morning coffee possible. He discovered it doesn't take a village to make a cup of coffee, it… Audio