E-Book Subscriptions: A New Publishing Model?(blog.parsely.com)
blog.parsely.com
E-Book Subscriptions: A New Publishing Model?
http://blog.parsely.com/post/36667674305/why-e-book-subscriptions-are-the-future
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http://blog.parsely.com/post/36667674305/why-e-book-subscriptions-are-the-future
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