Passionate trademark analyst Scott Galloway on The Four Horsemen: Amazon, Apple, Facebook, Google. (Published on Jan 20, 2015)
Hat tip: Lefsetz Letter: "... in tech you admit your mistake and pivot. And I could poke holes in a number of Galloway’s theses, but his presentation is so stimulating... tech is where the action is...."
Domain Mondo says: "In tech you either admit your mistake and pivot OR you die."