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

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

    2. Next to "2-Step Verification," click Turn on 2SV. 3. Click Get started. 4. Select Authenticator app for your 2-step verification method.-To see this option, you'll need to have at least 2 recovery methods on your account . 5. Click Continue. 6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your ...

  3. 2-Step Verification with a Security Key - AOL Help

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

    A FIDO Universal 2nd Factor (U2F) compatible security key that can plug into the USB or lightning port for your device or connect wirelessly using Bluetooth or NFC. Order a compatible security key from a retailer you trust.

  4. 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 ...

  5. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    Download QR code; Print/export ... agencies and advertisers jumped into the text messaging ... users to receive free text messages when items they are interested in ...

  6. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

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

    If possible, providing free Wi-Fi hotspots will facilitate more use of the codes, especially in remote or thick-walled buildings with unreliable mobile internet connections. Display the codes where people (including children, and those in wheelchairs) can reach them. The codes should be well lit. Shadow makes it more difficult to scan.

  7. What's a six-digit verification code — and why you should ...

    www.aol.com/whats-six-digit-verification-code...

    For example, you might get a text message or email with a six-digit code that you must enter when you log into your bank account. This extra level of protection keeps scammers and hackers out.

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