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2. WhatsApp - Wikipedia

   en.wikipedia.org/wiki/WhatsApp

   WhatsApp Web's user interface is based on the default Android one and can be accessed through web.whatsapp.com. Access is granted after the users scan their personal QR code through their mobile WhatsApp application. There are similar solutions for macOS, such as the open-source ChitChat, previously known as WhatsMac.

3. WhatsApp officially announces QR codes and animated stickers

   www.aol.com/whatsapp-officially-announces-qr...

   WhatsApp made it easier to focus on a single participant during a group call — just press and hold on their video. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call

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. 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; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...

5. End-to-end encryption - Wikipedia

   en.wikipedia.org/wiki/End-to-end_encryption

   Download QR code; Wikidata item; Print/export ... started to evolve when WhatsApp encrypted a ... also display fingerprints as QR codes that users can scan off each ...

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

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

   6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1. Sign in to your AOL account with your password. 2. Enter the verification code shown in your authenticator app. 3. Click Verify.

7. Timeline of WhatsApp - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_WhatsApp

   Timeline of WhatsApp. The following is a timeline of WhatsApp, a proprietary cross-platform, encrypted, instant messaging client for smartphones. [1] Jan Koum incorporates WhatsApp in USA. [2] WhatsApp 2.0 is released on the App Store for the iPhone. [3]

8. QR code payment - Wikipedia

   en.wikipedia.org/wiki/QR_code_payment

   QR code payment is a contactless payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2] This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment ...

9. Masahiro Hara - Wikipedia

   en.wikipedia.org/wiki/Masahiro_Hara

   Nationality (legal) Japanese. Alma mater. Hosei University. Known for. Inventing the QR code. Awards. European Inventor Award. Masahiro Hara ( Japanese: 原 昌宏, Hepburn: Hara Masahiro, born 1957) is a Japanese engineer and Hosei University graduate who is best known for inventing the QR code in 1994.