媒体调研公司调查发现人们的社会网络是最影响他们的朋友- 22%的人说他们买了一个品牌，因为朋友“喜欢”这个品牌。
Last week 21 Fidelity Investments fund managers announced they were reducing their holdings in Facebook, after barely six weeks. Some were bailing out altogether. The moves are unusual for a company like Fidelity, whose funds tend to be conservative and with a focus on the long term. But Fidelity was only the most recent large i