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29 results about "Steganography" patented technology

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Steganography (/ˌstɛɡəˈnɒɡrəfi/ STEG-ə-NOG-rə-fee) is the practice of concealing a file, message, image, or video within another file, message, image, or video. The word steganography combines the Greek words steganos (στεγᾰνός), meaning "covered or concealed", and graphe (γραφή) meaning "writing".