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

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

   QR codes skyrocketed in popularity during the touch-free days of the COVID-19 pandemic, and now they're everywhere. ... If an email from an unknown sender asks you to scan a QR code, open links ...

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. Barcode technology in healthcare - Wikipedia

   en.wikipedia.org/wiki/Barcode_technology_in...

   Barcode technology in healthcare. Barcode technology in healthcare is the use of optical machine-readable representation of data in a hospital or healthcare setting. Dating back to the 1970s, there has been a continual effort among healthcare settings to adopt barcode technology. [ 1] In the early 2000s, published reports began to illustrate ...

5. Barcode Scanner (application) - Wikipedia

   en.wikipedia.org/wiki/Barcode_Scanner_(application)

   Barcode Scanner scanning a QR code. The application Barcode Scanner is an Android app, from the open-source project ZXing (short for Zebra Crossing ), that allows an Android device with imaging hardware (a built-in camera) to scan barcodes or 2D barcodes and retrieve the data encoded. [2] Information encoded often includes web addresses ...

6. Turning a US Covid Vax paper record into a QR code - Cairo ...

   www.tripadvisor.com/ShowTopic-g294201-i9404-k...

   Then I found a (free) online QR Code Generator software to create a QR code linked to the PDF document and added it to my printed copy of the PDF document. So the QR code is basically the same as my printed document, but with some additional information that I added --- address of Walgreens location where I obtained my vaccine.

7. QR code forCovid PCR test for arrival - Egypt Forum

   www.tripadvisor.com/ShowTopic-g294200-i9124-k...

   Re: QR code forCovid PCR test for arrival. 2 years ago. You need one of 3 things: Excelsior pass QR code, legalized CDC vaccine card (approved by Egypt embassy in the US) or a negative PCR test with a stamp or QR code on it.