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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

   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

4. 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 ...

5. Instant messaging - Wikipedia

   en.wikipedia.org/wiki/Instant_messaging

   Certain apps have emphasis on certain uses - for example Skype focuses on video calling, Slack focuses on messaging and file sharing for work teams, and Snapchat focuses on image messages. Some social networking services offer messaging services as a component of their overall platform, such as Facebook's Facebook Messenger, who also own WhatsApp.

6. 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 ...

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]