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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. [6] [7] [8] 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; [9] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  3. Masahiro Hara - Wikipedia

    en.wikipedia.org/wiki/Masahiro_Hara

    He also made an investigation on publications to seek a unique proportion for the position pattern to make sure that readers could be able to identify. [11] The code was introduced in 1994. [12] In 2021, QR codes were being used to book and track COVID-19 tests and contact tracing. [6]

  4. Mobile tagging - Wikipedia

    en.wikipedia.org/wiki/Mobile_tagging

    On the other hand, there are several readers which were created to read out non-proprietary code, these 'open source codes' are the most used for Optical Reading with Mobile like the QR Code and the Data Matrix. However, a QR code is always 60% larger than a DataMatrix code and this tends to mean that DM is the primary code used in packaging ...

  5. Help:Two-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Help:Two-factor_authentication

    Use Authenticator to take a screenshot of the QR code: Click the QR code button at the top-right of Authenticator. Position your pointer before the top-left corner of the QR code from "Step 2" of the 2FA setup page. Hold down the mouse button, move the pointer to after the bottom-right of the QR code, and then release the mouse button.

  6. Scan (company) - Wikipedia

    en.wikipedia.org/wiki/Scan_(company)

    In early 2012, Scan had released support for scanning QR codes, 1D barcodes, and offered connections to these technologies in the form of websites, shopping carts, social media actions, and lead generation pages. In February, Scan launched Scan Pages; mobile optimized, hosted sites for businesses and individuals that are linked to QR codes. [15]

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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