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2. WhatsApp - Wikipedia

   en.wikipedia.org/wiki/WhatsApp

   In August 2013, WhatsApp added voice messages to their apps, giving users a way to send short audio recordings directly in their chats. [129] [130] In January 2015, WhatsApp launched a web client that allowed users to scan a QR code with their mobile app, mirroring their chats to their browser.

3. Reception and criticism of WhatsApp security and privacy ...

   en.wikipedia.org/wiki/Reception_and_criticism_of...

   In May 2012 security researchers noticed that new updates of WhatsApp sent messages with encryption, [40] [41] [42] but described the cryptographic method used as "broken." [43] [44] In August of the same year, the WhatsApp support staff stated that messages sent in the "latest version" of the WhatsApp software for iOS and Android (but not BlackBerry, Windows Phone, and Symbian) were encrypted ...

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. [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 ...

5. Don't scan: Police warn of malicious QR codes in packages

   www.aol.com/dont-scan-police-warn-malicious...

   September 14, 2024 at 4:58 PM. Palm Beach Police are warning residents about a new scam involving malicious QR codes on unexpected packages. A new scam is afoot in Palm Beach, and the Police ...

6. WeChat - Wikipedia

   en.wikipedia.org/wiki/WeChat

   Other functions cannot be used on it, such as the detection of nearby people, or interacting with Moments or Official Accounts. To use the Web-based client, it is necessary to first scan a QR code using the phone app. This means it is not possible to access the WeChat network if a user does not possess a suitable smartphone with the app installed.

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. Comparison of cross-platform instant messaging clients

   en.wikipedia.org/wiki/Comparison_of_cross...

   However, the mobile app serves as the primary device, due to the end-to-end encryption architecture. [120] Yes No No No Trillian: No Yes No No Yes Viber: Phone number No No No No WeChat: Phone number or QQ number No No No No No WhatsApp: Phone number No Yes No No No Wire: Email or Phone number Yes Yes [121] No Yes [122] Yes Client Registration ...

9. Signal (software) - Wikipedia

   en.wikipedia.org/wiki/Signal_(software)

   Signal's app icon may be changed from with a variety of colour themes for customization and to hide the app. The application name can also be customized. [130] Messages can have effects like spoilers and italics, and users can add each other via QR code. [131] Signal excludes users' messages from non-encrypted cloud backups by default. [132]