“Our half-century intermezzo has witnessed the dominance of television, the Internet, and mobile, as well as changing taste and business models. Consequently, only three [magazine] titles appear on both lists. If nothing else, the shifts between ’67 and ’17 demonstrate how most magazines follow a life cycle: often-difficult births, brash youthfulness, midlife success, and retirement at the back of the newsstand rack—or solely in the archives.”