Who first spotted this defensive coup?

Social media is everywhere. Peter Jackson, a New Zealand moviemaker, when talking about selfies with fans, said, "It's a social coup to nail you on their cellphone."

We have several coups in bridge. Let's start this week's columns with two defensive coups.

How can East-West defeat South's contract of three no-trump after West leads the heart jack, and the defenders take the first three tricks in the suit ending in the East hand?