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。
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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。
