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Providing downloadable mobile applications for scanning and reading two dimensional codes; Providing downloadable mobile applications for scanning and reading two dimensional codes, for generating two dimensional codes, for enabling two dimensional code scanners, two dimensional code handy terminals, printers, and laser markers to read two dimensional codes, for creating an online database of two dimensional codes, and for tracking, inventorying, and searching two dimensional codes

Providing online non-downloadable computer software for scanning and reading two dimensional codes, for generating two dimensional codes, for enabling two dimensional code scanners, two dimensional code handy terminals, printers, and laser markers to read two dimensional codes, for creating an online database of two dimensional codes, and for tracking, inventorying, and searching two dimensional codes; providing online non-downloadable computer software and computer programs for generating two dimensional code, for enabling two dimensional code scanners, two dimensional code handy terminals, printers, and laser markers to read two dimensional codes, for creating a database of two dimensional codes, and for tracking, inventorying, and searching two dimensional codes