Definition of "watermarking" []

• Present participle of watermark. (verb)

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• "These days, digital watermarking is now being tasked to make money on unauthorized file distribution."
• "Blackstone is contacting the rightsholders for all its titles notifying them that they'll be releasing their catalog in DRM-free MP3 (with some kind of watermarking -- I'm skeptical that this will work to stop pirates, since all imperceptible watermarks can be trivially removed through simple means like diffing two files) format unless they hear otherwise by a certain date."
• "One is digital "watermarking," in which a bit of computer code is embedded in a file to identify it."