Advertising is one of the world's most glamorised industries. Hundreds of books, movies and TV shows are devoted to it. It consumes billions of dollars a year. But it has a secret: it is so ineffective that it borders on scam. Research proves that almost 90% of traditional ads are ignored. Platforms like social media fare even worse. In fact, you have a better chance of surviving a plane crash than clicking on a banner ad. The authors of Friction...