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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  3. To scan one, go to the search bar, tap the camera icon then hover the camera over a code on a phone, computer screen or printout. You also can upload a screenshot or photo of a Spotify Code to ...

  4. How to scan with an iPhone - Engadget

    www.engadget.com/how-to-scan-with-iphone...

    The default way to scan a document with an iPhone lives within iOS’ native Notes app. Open it and open a new note. Tap the camera icon on the bottom menu bar, tap Scan Documents and then hold ...

  5. Google Chrome gets its own QR code & barcode scanner

    techcrunch.com/2017/02/02/google-chrome-gets-its...

    The iPhone’s QR code reader is tucked away inside the Wallet app, for example, where it’s used to scan coupons, boarding passes, tickets and the like. This presumes these are main ways that QR ...

  6. Snapchat now lets you make QR Snapcodes that open websites

    techcrunch.com/2017/01/31/website-snapcodes

    Snapchat introduced the QR codes for profiles in January 2015, based on technology it acquired along with startup Scan.me. They made it easy for people to add each other on Snapchat without typing ...

  7. Code 128 - Wikipedia

    en.wikipedia.org/wiki/Code_128

    A Swiss postal barcode encoding "RI 476 394 652 CH" in Code 128 (B & C) Code 128 is a high-density linear barcode symbology defined in ISO/IEC 15417:2007. [1] It is used for alphanumeric or numeric-only barcodes. It can encode all 128 characters of ASCII and, by use of an extension symbol (FNC4), the Latin-1 characters defined in ISO/IEC 8859-1 ...

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