Case . he thinks that the success of the " i ' m " program is because it ' s spread by users without being a bother to others 据北京青年周刊报道, it领域著名博友keso认为此活动的迅速传播是一起成功的病毒营销案例。
2.
Beijing - based youth weekend reported that famous it blogger keso regarded this program ' s rapid spread as a successful virus marketing case 据北京青年周刊报道, it领域著名博友keso认为此活动的迅速传播是一起成功的病毒营销案例。