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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 the position detection markers was determined by finding the least-used sequence of ...

3. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:WikiProject...

   The codes should be well lit. Shadow makes it more difficult to scan. Avoid reflected glare (particularly when laminating the codes or placing them behind glass). Larger codes will scan more effectively. 2 inches (5 cm) across will allow for distance and older smartphones with lower quality cameras. 1 inch (2.5 cm) should be the minimum.

4. Rectangular Micro QR Code - Wikipedia

   en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

   Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 [1] by Denso Wave as ISO/IEC 23941. [ 2 ] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.

5. GS1 - Wikipedia

   en.wikipedia.org/wiki/GS1

   GS1 is a not-for-profit, international organization developing and maintaining its own standards for barcodes and the corresponding issue company prefixes.The best known of these standards is the barcode, a symbol printed on products that can be scanned electronically.

6. File:QR Code Model 1 Example.svg - Wikipedia

   en.wikipedia.org/wiki/File:QR_Code_Model_1...

   English: Example of a model 1 QR code, which is an older version of the standard that most smartphones cannot read. Content: "QR Code Model 1" Content: "QR Code Model 1" Date

7. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

   www.aol.com/vitamins-expire-nutritionists-weigh...

   The FDA doesn’t require an expiration to be listed on the label, but most manufacturers still choose to do so,” explains Shyla Davis-Cadogan, R.D., a registered Dietitian at Culina Health ...