题目内容
（请给出正确答案）
[多选题]
网店访客来源有()
A.SEO (Search Engine Opimizaion,搜索引擎优化)
B.SEM (Search Engine Marketin,搜索引擎营销)
C.P4P (Pay for Performance,按效果付费)
D.EDM (Email Diret Maketing,电子邮件营销).
E.SNS (Social Networking Services,社会性网络服务)营销
F.IGA (InGaAderising.游戏植入式广告)
答案
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