营销者往往认为青春期充满性感和魁力，中年期阴郁而沉闷，老年时则悲凉而凄惨。但是，当最老的婴儿激增者年近５０时，营销者就不得不重新审视这种传统看法。在９０年代，青年人数量在缩减，而４５岁以上中年人和老年人的数量则大量增加，改变这种传统观点显得必要而迫切... Marketers tend to think that adolescence is full of sexy and charismatic, gloomy and dull in middle age, sad and miserable in old age. However, marketers have had to revisit this traditional view when the oldest baby boomer is nearing 50 years old. In the 1990s, the number of young people was shrinking while the number of middle-aged and elderly people over the age of 45 increased dramatically. It is necessary and urgent to change this traditional view.