To be brilliant, you have to be irrational Why is Red Bull so popular - even though everyone hates the taste? Why do countdown boards on platforms take away the pain of train delays? And why do we prefer stripy toothpaste? We think we are rational creatures. Economics and business rely on the assumption that we make logical decisions based on evidence. But we aren't, and we don't. In many crucial areas of our lives, reason plays a vanishingly small part. Instead we are driven by unconscious desi…Show more