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The first commercial camera phone was the Kyocera Visual Phone VP-210, released in Japan in May 1999. [85] It was called a "mobile videophone" at the time, [ 86 ] and had a 110,000- pixel front-facing camera . [ 85 ]
Printer steganography is a type of steganography – "hiding data within data" [30] – produced by color printers, including Brother, Canon, Dell, Epson, HP, IBM, Konica Minolta, Kyocera, Lanier, Lexmark, Ricoh, Toshiba and Xerox [31] brand color laser printers, where tiny yellow dots are added to each page. The dots are barely visible and ...