Watermarking and DRM can be used together, but the major U.S. e-book retailers aren’t supporting it. So in practice, it’s generally either one or the other, or neither.
Source: Does Watermarking Actually Cut Down on E-book Piracy?
Watermarking and DRM can be used together, but the major U.S. e-book retailers aren’t supporting it. So in practice, it’s generally either one or the other, or neither.
Source: Does Watermarking Actually Cut Down on E-book Piracy?