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  2. Universal Product Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Product_Code

    A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...

  3. List of GS1 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_GS1_country_codes

    UPC-A compatible - United States drugs (see United States National Drug Code) 040–049: UPC-A compatible - Used to issue restricted circulation numbers within a company 050–059: UPC-A compatible - GS1 US reserved for future use 060–099: UPC-A compatible - United States: 100–139 United States: 200–299

  4. Global Trade Item Number - Wikipedia

    en.wikipedia.org/wiki/Global_Trade_Item_Number

    The Global Trade Item Number (GTIN) is an identifier for trade items, developed by the international organization GS1. [1] Such identifiers are used to look up product information in a database (often by entering the number through a barcode scanner pointed at an actual product) which may belong to a retailer, manufacturer, collector, researcher, or other entity.

  5. GS1 - Wikipedia

    en.wikipedia.org/wiki/GS1

    In the UK alone, the introduction of the barcode in the retail industry has resulted in savings of 10.5 billion pounds per year. [1] [9] Some of the barcodes that GS1 developed and manages are: EAN/UPC (used mainly on consumer goods), GS1 Data Matrix (used mainly on healthcare products), GS1-128, GS1 DataBar, and GS1 QR Code.

  6. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines.

  7. Buycott.com - Wikipedia

    en.wikipedia.org/wiki/Buycott.com

    Buycott.com is an Internet-based platform and smart-phone application that reads the Universal Product Codes (UPC) barcode on a product, and suggests whether a consumer should buy or avoid that product based on how well it aligns with the consumer's values and principles. The consumer joins to various Buycott campaigns to indicate their support ...