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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. 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. 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.

  5. List of social platforms with at least 100 million active ...

    en.wikipedia.org/wiki/List_of_social_platforms...

    WhatsApp: Meta Platforms United States: 2009 2 billion: Had 1 billion daily active users when it had 1.3 billion monthly active users [citation needed] 4 Instagram: Meta Platforms United States: 2010 2 billion: 500 million daily Instagram Stories users: 5 TikTok: ByteDance China: 2016 1.582 billion: 6 WeChat: Tencent China: 2011 1.343 billion: 7

  6. WhatsApp University - Wikipedia

    en.wikipedia.org/wiki/WhatsApp_University

    WhatsApp University is a phrase which refers to the fake news and misinformation spread in India through WhatsApp forwards. [1] [2] The phrase has gained a popular meme status and been a subject of stand-up comics .

  7. Signal Protocol - Wikipedia

    en.wikipedia.org/wiki/Signal_Protocol

    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 ...

  8. Instant messaging - Wikipedia

    en.wikipedia.org/wiki/Instant_messaging

    WhatsApp by Meta Platforms is the most popular messaging app in several countries in South America, Western Europe, Africa, Middle East, South Asia, and Southeast Asia. Facebook Messenger by Meta Platforms is the most popular messaging app in North America, Northern Europe, some Central Europe countries, and Oceania.

  9. WhatsApp snooping scandal - Wikipedia

    en.wikipedia.org/wiki/WhatsApp_snooping_scandal

    On October 30, 2019, WhatsApp 's parent company Facebook, Inc. confirmed that Pegasus, a sophisticated snooping software developed by Israel's NSO Group, was used to target Indian journalists, activists, lawyers and senior government officials. The journalists and activists are believed to have been targets of surveillance for a two-week period ...

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