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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.
Messenger, also known as Facebook Messenger, is an American proprietary instant messaging app and platform developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the company revamped its messaging service in 2010, released standalone iOS and Android apps in 2011, and released standalone Facebook Portal hardware for Messenger calling in 2018.
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]
SMS ( short message service) is a text messaging service component of most telephone, Internet, and mobile device systems. It uses standardized communication protocols to enable mobile devices to exchange short text messages. An intermediary service can facilitate a text-to-voice conversion to be sent to landlines.
On October 4, 2021, at 15:39 UTC, the social network Facebook and its subsidiaries, Messenger, Instagram, WhatsApp, Mapillary, and Oculus, became globally unavailable for a period of six to seven hours. [1] [2] [3] The outage also prevented anyone trying to use "Log in with Facebook" from accessing third-party sites. [4]
Examples of such messaging services include: Skype, Facebook Messenger, Google Hangouts (subsequently Google Chat), Telegram, ICQ, Element, Slack, Discord, etc. Users have more options as usernames or email addresses can be used as user identifiers, besides phone numbers. Unlike the phone-based model, user accounts on a multi-device model are ...
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