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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.
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]
Website. signal .org /docs. The Signal Protocol (formerly known as the TextSecure Protocol) is a non- federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations. [2] The protocol was developed by Open Whisper Systems in 2013 [2] and was introduced in the open-source TextSecure app, which ...
WhatsApp introduces its document-sharing feature, initially allowing users to share PDF files with their contacts. Apr 5, 2016: WhatsApp and Open Whisper Systems announce that they have added end-to-end encryption to "every form of communication" on WhatsApp, and that users could now verify each other's keys. May 10, 2016
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.
WhatsApp was initially unpopular, but its fortunes began to turn after Apple added push notification ability to apps in June 2009. Koum changed WhatsApp to "ping" users when they received a message, and soon afterward he and Fishman's Russian friends in the area began to use WhatsApp as a messaging tool, in place of SMS.
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