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

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

   To pull up a Spotify Code, just tap the “three dots” button on the right side of the screen while playing a song, or looking at an artist or playlist. To scan one, go to the search bar, tap ...

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. 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 ...

5. How to scan with an iPhone - Engadget

   www.engadget.com/how-to-scan-with-iphone...

   The default way to scan a document with an iPhone lives within iOS’ native Notes app. Open it and open a new note. Tap the camera icon on the bottom menu bar, tap Scan Documents and then hold ...

6. Valve releases redesigned Steam mobile app with QR code login

   www.engadget.com/valve-releases-redesigned-steam...

   If you'd rather use your username and password to log in, the app will still ask if you'd like to accept or deny the sign-in attempt. And if you want to make sure there's no device linked to your ...

7. Add or disable 2-step verification for extra security - AOL Help

   help.aol.com/articles/2-step-verification...

   1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Add or disable 2-step verification for extra security. Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and ...

8. Barcode reader - Wikipedia

   en.wikipedia.org/wiki/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 decoder circuitry ...

9. Opera update uses QR codes to sync data between PC and ...

   www.engadget.com/opera-makes-it-easier-to-sync...

   The latest updates (version 71 on desktop and version 60 on Android) include a new feature called Sync that lets you scan a QR code rather than entering a password.