GA2020.7.15

David's Time With Peter F. Drucker 2020.7.15 冠鼎学院（GA）——识别·培养·考验未来的领导者 Even faster than the growth of these BOOK publishers has been the growth of another PRINT medium: the “specialty mass magazine.” A good many of the huge-circulation “general magazines” that dominated 1920s and 1930s America, Life, for instance, or The Saturday Evening Post, have disappeared[ˌdɪsəˈpɪrd]. They did indeed fall victim to television. But there are in the United States now several THOUSAND——one estimate is more than THREE THOUSAND——specialty mass magazines, each with a circulation between fifty thousand and a million, and most highly profitable. ——《Management Challenges for the 21st Century · Chapter4 Information Challenges》(Peter F.Drucker,1999)