论文部分内容阅读
上溯至1980年,市场营销人员只需要通过在黄金时段播放电视广告就足以俘获90%以上的美国家庭。每天都有上百个电视频道以及数百万个网站可供人们选择,受众被细分成无数个小群体。随着DVR和数字电
Back in 1980, marketers just needed to capture more than 90% of U.S. homes by broadcasting television during prime time. Hundreds of television channels and millions of web sites are available for people to choose from everyday, and the audience is subdivided into countless small groups. With DVR and digital electricity