Yavas ama gercek “@mashable: E-books Now Make Up 1/5 of U.S. Book Sales http://on.mash.to/181AYUe ”
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable so College Text Books must make up for 4/5 of U.S. Book SalesThanks. Twitter will use this to make your timeline better. UndoUndo
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The last time I was at
#meshcon, sales were at less than 5% RT@mashable E-books Now Make Up 1/5 of U.S. Book Sales http://on.mash.to/181AYUeThanks. Twitter will use this to make your timeline better. UndoUndo
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