2012年2月22日

出版业的新商业模式

摘要： A very interesting business model. Own the books and share the books for free, they make a profit by advertising in the books. It is similar to the e-... 阅读全文

posted @ 2012-02-22 18:30 Milton 阅读(179) 评论(0) 推荐(0)

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