Originally Posted by crich70
I mean how would they know that the actual person who bought the book was responsible for it being illegally distributed? Someone could have hacked their account (if they have the book stored online) and gotten it that way.
Exactly that's wrong in this picture.
Originally Posted by Lynx-lynx
So how hard is it now (or soon enough) to remove the watermark?
One could always "print" a watermarked book into a new book. Watermark technologies that consist of bits and bytes embedded in the original file would disappear this way.
If, on the other hand, they were using something horrible like this
, then it would require at least two independently purchased items of the same work. Then you could compare them and detect the permutations.