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2. Timeline of WhatsApp - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_WhatsApp

   WhatsApp announces Channels, a feature that allows one-to-many communication for updates, and no defined limit for number of followers. Channels are not end-to-end encrypted, unlike messages in groups or chats. 2023 August Product WhatsApp relaunches its app for Apple computers, adding audio and video group calling. 2023 September

3. 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.

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

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

   In May 2019, it was revealed that there was a security vulnerability in WhatsApp, allowing a remote person to install a spyware just by making a call which does not even need to be answered. Later, in June 2019, another vulnerability was revealed, allowing a user to transform an audio call into a video call, without the victim consent and ...

5. WhatsApp unveils new video messaging feature - AOL

   www.aol.com/whatsapp-unveils-video-messaging...

   WhatsApp will now let you record and send video clips directly in the messaging app, the Meta-owned platform announced this week. The instant video messages can be up to 60 seconds long, and are ...

6. 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 ...

7. History of videotelephony - Wikipedia

   en.wikipedia.org/wiki/History_of_videotelephony

   Closed-circuit videophone systems: 1936–1940. In early 1936, the first public video telephone service, Germany's Gegensehn-Fernsprechanlagen (visual telephone system), was developed by Dr. Georg Schubert, who headed the development department at the Fernseh-AG, a technical combine for television broadcasting technology. [27]