An ad for a new television show catches your eyes. Your immediate attention is captured. You watch the first episode and enjoy it. Your short attention has been captured. You devote yourself to the show, buy every season, read every relevant page on Wikipedia, and get the main character’s face tattooed on your sternum. Your long attention has been captured. Marketers take advantage of the scientific secrets behind attention to get you hooked on their products. Ben Parr, author ofCaptivologye...