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作者：【美】克里斯安德森 序二 认为世界就是一个交叉补贴的大舞台。交叉补贴可以有不同的作用方式：比如，用付费产品来补贴免费产品，用日后付费来补贴当前免费，由付费人群来给不付费人群提供补贴。 认为“原始社会”的运…

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Do you want to sell digital products online? Perhaps you’re planning to create ebooks, online courses, software, or something else entirely. 您想在线销售数字产品吗？ 也许您正计划创建电子书，在线课程，软件或其他全部内容。 R…

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