Quote:
Originally Posted by John F
I thought PDF was an open standard?
Could you expand on this. I thought that an EPub purchased from Sony could be used on any device that uses ADE DRM. Or are you talking about the Sony Library software being the key?
Thanks.
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PDF is an open standard, but it allows for extensions that are proprietary. Those extensions are often used in DRM'd situations (and other situations), which results in people having to pay for licenses of those extensions or have stripped books.
And I think you're right, currently it does seem like if you get an Adobe Adept item, you can view it in different readers. This runs contrary to what I was told by a sony guy on the phone the other day, he said that if you buy an Adobe Epub book from the Sony Reader store, it only works on Sony Readers.