1. An apparatus comprising: an input configured to receive imagery or video; a processor configured to embed a first digital watermarking and a second digital watermarking in the imagery or video, wherein the first digital watermarking is embedded according to first color characteristics, wherein the second digital watermarking is embedded according to second color characteristics, and wherein a comparison between characteristics associated with the first digital watermarking and characteristics associated with the second digital watermarking provide clues regarding the imagery or video; and an output for configured to output the embedded imagery or video.