In recent years, advertising—or at least the advertising that baby boomers grew up with—has often been written off or pegged as a historical relic. The hit AMC television show Mad Men, whose seven-year run ended in 2015, painted Madison Avenue as a hotbed of drunken-office behavior, misogyny, and cynicism. In an age of DVRs and streaming, pundits have proclaimed the end of the 30-second spot. Consumers routinely install ad-blocking software and have trained themselves to skip over and ignore the marketing messages that interrupt their media experiences. When was the last time you found yourself singing a catchy ad jingle?