Originally Posted by NNolan
You don't need to remove the DRM on an ePub book from Borders/Kobo to use it on your Sony; they use regular ADEPT.
Barnes and Noble and I believe the iStore are the exceptions to the DRM ADE rule, using their own DRM.
I amongst others immediately remove DRM as a matter of habit now. I do not want to have to have such restrictions on my purchases.