What makes a TED talk special? Is it the use of spectacular props or the masterful delivery? These are the sorts of questions that I have been asked - somewhat anxiously - recently.
TED's motto should give you a hint. It reads "ideas worth spreading". For TED, the idea is at the heart of a TED talk; all else follows from it.
Chris Anderson, curator and organiser of TED, explains this in more depth in a video titled "TED's secret to great public speaking". Before you read on, I encourage you to watch it. It's only 8 minutes long and embedded below: