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2. MeCard (QR code) - Wikipedia

   en.wikipedia.org/wiki/MeCard_(QR_code)

   MeCard is a data file similar to vCard but used by NTT DoCoMo in Japan in QR code format for use with Cellular Phones.. It is largely compatible with most QR-readers for smartphones.

3. Card security code - Wikipedia

   en.wikipedia.org/wiki/Card_security_code

   The card security code is located on the back of Mastercard, Visa, Discover, Diners Club, and JCB credit or debit cards and is typically a separate group of three digits to the right of the signature strip On American Express cards, the card security code is a printed, not embossed, group of four digits on the front towards the right

4. Wikipedia : Featured picture candidates/QR Code Structure

   en.wikipedia.org/.../QR_Code_Structure

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

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

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

   October marks the 70th anniversary of the first bar code-type product. And the QR code — short for quick response — is an evolution on bar codes that are often used to point users to a ...

6. xD-Picture Card - Wikipedia

   en.wikipedia.org/wiki/XD-Picture_Card

   The Type M+ card, first released in April 2008, [16] offers data rates 1.5 times that of Type M cards. As of 2008, cards are available only in 1 and 2 GB capacities. Olympus says that its xD cards support special "picture effects" when used in some Olympus cameras, though these software features are not intrinsically hardware-dependent.

7. QR code payment - Wikipedia

   en.wikipedia.org/wiki/QR_code_payment

   The QR code system was invented in 1994 by Masahiro Hara from the Japanese company Denso Wave. [4]In December 2010, the first documented description of QR code-based payments came from two patents filed by Shaun Cooley and Andrew Charles Payne, based on a prototype system developed for Norton Labs at Symantec called Norton Mobile Pay.