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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. [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 ...

3. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

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

   Click on the QR code image and save it. Import the QR code image into a word processor programme or graphics package. (Optionally) Add text labels. Print. Print the code a minimum of 1 inch (2.5 cm) across, where possible 2 inches (5 cm). Alternatively, open the downloaded images in a program that can print several images at once, as thumbnails ...

4. Scan these new QR-style Spotify Codes to instantly play a song

   techcrunch.com/2017/05/05/spotify-codes

   To scan one, go to the search bar, tap the camera icon then hover the camera over a code on a phone, computer screen or printout. You also can upload a screenshot or photo of a Spotify Code to ...

5. QRpedia - Wikipedia

   en.wikipedia.org/wiki/QRpedia

   Visitors to Derby Museum using a mobile phone to scan a QRpedia QR code. When a user scans a QRpedia QR code on their mobile device, the device decodes the QR code into a Uniform Resource Locator (URL) using the domain name "languagecode.qrwp.org" and whose path (final part) is the title of a Wikipedia article, and sends a request for the article specified in the URL to the QRpedia web server.

6. Google Chrome gets its own QR code & barcode scanner

   techcrunch.com/2017/02/02/google-chrome-gets-its...

   The iPhone’s QR code reader is tucked away inside the Wallet app, for example, where it’s used to scan coupons, boarding passes, tickets and the like. This presumes these are main ways that QR ...

7. The iPhone's camera app can now read QR codes | TechCrunch

   techcrunch.com/2017/06/05/the-iphones-camera-app...

   But according to some reports on Twitter, QR codes in the U.S. are about to get a second chance, because the first iOS 11 beta has the ability to read QR codes via the native camera app. That ...