EPUB is a universal format for ebooks. The problem is with Digital Rights Management (DRM). The EPUB standard does not include DRM so vendors must add this if they want some control over the copying of their ebooks. There are at least three DRM schemes for EPUBs: 1) Adobe, 2) Barnes & Noble, and, 3) Apple. Sony and Kobo both use Adobe DRM so you can read books purchased from the Sony store on Kobo ereaders.
Last edited by Joe563; 06-26-2011 at 04:17 PM.
Reason: Additional info
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