Just curious, how could you distinguish 马甲 by

来源: 于 2008-12-30 09:22:27 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

using 计算机技术.I understand there is such thing as IP address, but if someone use multiple PCs.

I distinguish 马甲 and IDs from the frequency of certain words that the author used.