Well, first. Sorry for my bad english. I have a problem.
In my work, buy a ebook for the college, i downloeaded Adobe Digitial Editions 2.0 and i put "authorized without account" everything ok. But, when i went home, try to open the file with the same program in muy computer tells tihs:
The eBook linked with the empty authorize. You can it read only on the first one Device. You should allays authorize with the adobe ID by fist open. Ask buy the Reseller if you can get a download without a authorize so its can linked with your Adobe ID.