Quote:
Originally Posted by eschwartz
Yes and I believe the difference is that Adobe only provides a DRM fulfillment service, not a complete product management and sales platform. Managing updates is beyond their purview.
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I believe notifying the customer of updates is a job of he eBookstores. Nobody does a good job of this. Even Amazon botches it. I've updated a number of Amazon eBooks and I've rarely gotten notified of updates.
So the best way to know is to download and compare with what you already have. If the file size is different, it's been changed. If the version number in the copyright page (some eBooks do have a version number in the copyright page) is a higher version, it's been changed. So if you have eBooks you've bought that are at least a year old that you have not yet read, download any you plan to soon read so you have the latest version. This goes for both ePub and Amazon eBooks.