It is tied to an AdobeID when Windows Adobe Digital Editions (say) takes the .acsm file and downloads an .epub. The ebook stores don't know what AdobeID you are using. The only exceptions to this I am aware of are the Sony store, which requires you to use its own software for buying ebooks, and Foyes in the UK which won't download an ebook if ADE isn't present on your computer.
Last edited by wallcraft; 12-05-2010 at 12:46 PM.
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