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2. WhatsApp - Wikipedia

   en.wikipedia.org/wiki/WhatsApp

   WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. [14] It allows users to send text, voice messages and video messages, [15] make voice and video calls, and share images, documents, user locations, and other content.

3. 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]

4. Online chat - Wikipedia

   en.wikipedia.org/wiki/Online_chat

   Online chat is any kind of communication over the Internet that offers a real-time transmission of text messages from sender to receiver. Chat messages are generally short in order to enable other participants to respond quickly. Thereby, a feeling similar to a spoken conversation is created, which distinguishes chatting from other text-based ...

5. How the WhatsApp Channels feature works and how to create ...

   www.aol.com/news/whatsapp-channels-feature-works...

   To create a channel, users must have a WhatsApp account and have the app updated to its latest version. According to the WhatsApp Help Center , users can create a channel by opening up WhatsApp ...

6. Comparison of cross-platform instant messaging clients

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

   Examples of such messaging services include: WhatsApp, Viber, Line, WeChat, Signal, etc. The primary device is a mobile phone and is required to login and send/receive messages. The primary device is a mobile phone and is required to login and send/receive messages.

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

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

   In September 2019, WhatsApp was criticized for its implementation of a 'delete for everyone' feature. iOS users can elect to save media to their camera roll automatically. When a user deletes media for everyone, WhatsApp does not delete images saved in the iOS camera roll and so those users are able to keep the images.

8. Instant messaging - Wikipedia

   en.wikipedia.org/wiki/Instant_messaging

   A classic example of instant messaging on a desktop computer: the left window of this software showing a list of contacts ("buddy list") and the right window an active IM conversation. Instant messaging (IM) technology is a type of online chat allowing immediate transmission of messages over the Internet or another computer network.

9. Opus (audio format) - Wikipedia

   en.wikipedia.org/wiki/Opus_(audio_format)

   Opus is widely used as the voice codec in WhatsApp, which has over 1.5 billion users worldwide. WhatsApp uses Opus at 8–16 kHz sampling rates, with the Real-time Transport Protocol (RTP). The PlayStation 4 video game console also uses the CELT/Opus codec for its PlayStation Network system party chat.