Business and technology services providing downloadable computerized product recognition software, namely, bar code recognition software for personal scanners and smart phones, for selecting the products of others, transmitting the product information to an on-line accessible database, and maintaining on-line personal catalogs and gift registries; on-line retail store services featuring personal catalogs and gift registries of a wide variety of products of others; computerized on-line retail store services, namely, providing computer databases regarding the purchase and sale of a wide variety of products and services of others; gift registry services; computerized on-line retail store services featuring general merchandise and general consumer goods; inventory management in the field of general merchandise and general consumer goods; marketing services, namely, conducting consumer tracking behavior research and consumer trend analysis; business and technology services, namely, providing consumer communication systems to notify consumers of gift preferences and sale dates; advertising services, namely, directing consumers to retailers and on-line services through imbedded barcodes in print advertising