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  2. QR Codes Are Reshaping Public Transit, But Are They Safe? - AOL

    www.aol.com/qr-codes-reshaping-public-transit...

    In most cases, those QR codes still connect to some form of data to make them work, so even when boarding public transit, a user might be giving the transit agency that data. Sarah Kaufman from ...

  3. What you need to know about QR code scams and how to ... - AOL

    www.aol.com/know-qr-code-scams-stay-204500807.html

    The first line of defense against malicious QR codes is ensuring your phone has the latest operating system. Two-factor authentication software that confirms your identity using your cellphone or ...

  4. Love to complain? There’s a QR code for that - AOL

    www.aol.com/love-complain-qr-code-080147601.html

    There’s a QR code for that. QR codes. We talk about them a lot. At coffee, at dinners out, even in the privacy of our own homes. We’re at our best when we complain about the replacement of ...

  5. 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 ...

  6. Mobile tagging - Wikipedia

    en.wikipedia.org/wiki/Mobile_tagging

    Mobile tagging. Mobile tagging is the process of providing data read from tags for display on mobile devices, commonly encoded in a two-dimensional barcode, using the camera of a camera phone as the reader device. The contents of the tag code is usually a URL for information addressed and accessible through Internet. the mobile tagging process.

  7. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    Multiplexing. Code-division multiple access ( CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel. This allows several users to share a band of frequencies (see bandwidth ).

  8. Fact check: QR codes on Georgia ballots record votes as cast

    www.aol.com/news/fact-check-qr-codes-georgia...

    A false claim alleges that QR codes on Georgia runoff ballots indicate votes were switched from Republican candidates to their Democratic opponents.

  9. Supplementary service codes - Wikipedia

    en.wikipedia.org/wiki/Supplementary_service_codes

    Supplementary service codes. ETSI and 3rd Generation Partnership Project (3GPP) standards, such as GSM and LTE, define supplementary service codes that make it possible to query and set certain service parameters ( e.g., call forwarding) directly from mobile devices.

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