Quote:
Originally Posted by OtterBooks
I'd venture to say it is even more than probable, since they started developing the Kindle in 2004, a year before purchasing mobi. Did epub exist as a format in 2005? If they were primarily interested in proprietary control, rather than the performance of the format, could they not have just used a proprietary DRM with epub? And wouldn't that have been cheaper than buying another company?
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Epub did not exist until 2007, and I don't think that there was an epub reader until 2008. Sony only moved away from its proprietary format at the end of 2009 (although its readers may have also been able to read epub before then).