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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 position detection was found and determined by applying the least-used ratio (1:1:3:1 ...

3. 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 ...

4. Barcode reader - Wikipedia

   en.wikipedia.org/wiki/Barcode_reader

   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 ...

5. Google Chrome gets its own QR code & barcode scanner - TechCrunch

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

   Here’s one more app you can delete from your iPhone: that QR code and barcode scanner you only occasionally use. With an update rolling out today, Google’s Chrome mobile browser can do the job ...

6. Instagram's new QR codes are a shortcut directly to your profile

   www.engadget.com/instagram-qr-codes-060935065.html

   Instagram's shareable QR codes are a quick link that any camera app can scan to find your profile.

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

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

   The new Spotify Codes feature creates a unique barcode and album cover image for every song, artist and playlist. Scan these Spotify Codes with the new camera in the Spotify app's search bar to ...