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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. Electronic Product Code - Wikipedia

    en.wikipedia.org/wiki/Electronic_Product_Code

    The Electronic Product Code ( EPC) is designed as a universal identifier (using an idiosyncratic numerical code for each different commodity [1]) that provides a unique identity for every physical object anywhere in the world, for all time. The EPC structure is defined in the EPCglobal Tag Data Standard, [2] which is a freely available standard.

  4. GS1 - Wikipedia

    en.wikipedia.org/wiki/GS1

    GS1 is a not-for-profit, international organization developing and maintaining its own standards for barcodes and the corresponding issue company prefixes. The best known of these standards is the barcode, a symbol printed on products that can be scanned electronically. GS1 has 118 local member organizations and over 2 million user companies.

  5. 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. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode ...

  6. List of most-viewed YouTube channels - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    T-Series became the most-viewed YouTube channel of 2016, [ 10 ][ 11 ][ 12 ] and exceeded 14 billion total views by January 2017. [ 13 ] It eventually surpassed PewDiePie to become the most-viewed YouTube channel of all time by February 16, 2017, [ 14 ] and currently maintains the lead with over 255 billion total views.

  7. List of GS1 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_GS1_country_codes

    387. Bosnia and Herzegovina. 389. Montenegro. 390. Republic of Kosovo (EAN-imposed, no GS1 Member Organisation) [ 2] 400–440. Germany (440 code inherited from former East Germany upon reunification in 1990) 450–459.

  8. Unstructured Supplementary Service Data - Wikipedia

    en.wikipedia.org/wiki/Unstructured_Supplementary...

    Unstructured Supplementary Service Data. Unstructured Supplementary Service Data ( USSD ), sometimes referred to as " quick codes " or " feature codes ", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator 's computers. USSD can be used for WAP browsing, prepaid callback service, mobile ...

  9. List of most-subscribed YouTube channels - Wikipedia

    en.wikipedia.org/wiki/List_of_most-subscribed...

    American YouTube personality MrBeast is the most-subscribed channel on YouTube, with 310 million subscribers as of August 2024. A subscriber to a channel on the American video-sharing platform YouTube is a user who has chosen to receive the channel's content by clicking on that channel's "Subscribe" button, and each user's subscription feed ...