There are two kinds of secrets, the ones we hide from others, and those we keep from ourselves.
As I write this introduction to my 2012 TED Talk, I am overseas on a speaking tour in Australia and New Zealand sharing secrets. The PostSecret website has received more than 600,000,000 hits. There have been five PostSecret books, the last one reaching #1 on the New York Times bestseller list.
Why are we so fascinated by these secrets?