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  2. Don't scan: Police warn of malicious QR codes in packages

    www.aol.com/dont-scan-police-warn-malicious...

    Do not scan QR codes received in emails or text messages unless you know they are legitimate. Call the sender to confirm. Some scammers are physically pasting bogus codes over legitimate ones. If ...

  3. 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 ...

  4. Scan (company) - Wikipedia

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

    Snap Inc. (2014–present) Scan is a mobile app development company headquartered in Provo, Utah, United States. The company was founded in January 2011 by Garrett Gee together with his college friends Ben Turley and Kirk Ouimet. [1] The company, owned and operated by Scan, Inc, [2] was acquired by Snapchat in 2014 for $54 million.

  5. Check-in QR code - Wikipedia

    en.wikipedia.org/wiki/Check-in_QR_code

    The venue code (left) and digital sentry (right) used in Shanghai, China. The check-in code or the venue code ( Chinese: 场所 码, Chǎngsuǒgmǎ) is a QR code to record check-in locations for contact tracing and epidemiologic investigations. It was widely used in Australia and China during the COVID-19 pandemic in 2020–2022.

  6. Attach or insert files, images, GIFs and emojis in New AOL Mail

    help.aol.com/articles/attach-files-or-insert...

    1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Attach or insert files, images, GIFs and emojis in New AOL Mail. Whether you're sending a fun pick-me-up message or a professional resume, AOL Mail makes it simple to add what you need to your messages with options to ...

  7. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry ...