fast following，一个全新的产品，第一家公司做广告之后，第二家公司过段时间follow，效益比第一家的好这种现象。让你解释这个定义。business class介绍了fast following这个concept，which means一些公司不愿意be the first to try new products，于是如果别的公司推出了innovative的new product，他们会快速效仿。例子是一video game company颠覆传统，用感应人的动作的movement sensor代替controller，市场反应很好。于是另外一家公司马上效仿这个做法，而且还improve了他们的graphic quality，所以市场上人们都灰常like it and buy it。
Fast following talks about a marketing phenomenon that after a brand new product is introduced into the market and advertised, if a second company follows into the same field and advertise the product after a while, the yields of the second company will outweigh the first. The professors then discussed an example of a video game company. The latest video game of the company was innovative to replace the traditional controller with movement sensor, and the product received positive market feedback. Soon enough, another company followed into the area and simulated what the first company did. Besides, they also improved the graphic quality of the product so that people in the market loved the product and bought it. (118 words)
