Quote:
Originally Posted by WalkingDistance
Well if you wanted to get more specific (what type of DRM), here's a way which I found worked for me.
Amazon basically has 3 types of DRM:
Topaz
Standard
None
As abookreader said: to see whether it has a DRM or not, just try opening it in calibre. If it opens, No DRM. If it won't, there will be an error saying the book is protected by DRM.
I found a rule of thumb way (that's worked for me so far but I'm not sure if it's a sure-fire way to tell) to see whether an ebook is protected under "standard" DRM or Amazon's newer "Topaz" DRM.
Download a sample of the book. If it has regular words in it (text like a mobi file), it uses the "standard" DRM. If it looks as if the book has been scanned and the letters seem unclear (sometimes the fonts are different), I found that it is in the "Topaz" format (for all the books that I've bought).
Anyway, I know this is a lot more detailed than your original question, but maybe this'll help.
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Topaz is not a form of DRM. Topaz is an eBook format. It uses the same DRM as AZW. And AZW is only AZW with DRM. Once the DRM from AZW is removed, it's Mobipocket.