Talk details Advertising adds value to a product by changing our perception, rather than the product itself. Rory Sutherland makes the daring assertion that a change in perceived value can be just as satisfying as what we consider “real” value -- and his conclusion has interesting consequences for how we look at life.

TED stands for Technology, Entertainment, Design — three broad subject areas that are collectively shaping our world. But a TED conference is broader still, showcasing important research and ideas from all disciplines and exploring how they connect.

TED Conferences, LLC (Technology, Entertainment, Design) is an American-Canadian non-profit media organization that posts international talks online for free distribution under the slogan "ideas worth spreading".

A TED talk is a recorded public-speaking presentation that was originally given at the main TED (technology, entertainment and design) annual event or one of its many satellite events around the world. TED is a nonprofit devoted to spreading ideas, usually in the form of short, powerful talks, often called "TED talks."