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Instant messaging has since seen a revival in popularity in the form of "messaging apps" (usually on mobile devices) which by 2014 had more users than social networks. [4] As of 2010, social networking providers often offer IM abilities. Facebook Chat is a form of instant messaging, and Twitter can be thought of as a Web 2.0 instant messaging ...
Messenger, [11] also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal ...
The product was created as a web-based application in 2005 for accessing multiple chat platforms, [7] including Facebook Messenger, Google Talk, Yahoo! Messenger, and Skype chat. [8] It was developed by Pagebites, which is a subsidiary of Singularity IM, Inc. and required a subscriber's phone number to verify the users' account. [9]
Facebook must have realized that the process shouldn't be more complex than setting up a three-way call on a landline, so it has launched an easier way to initiate group calls.
Users can send one-to-one and group messages, including various media types such as files, voice notes, images, and videos. [3] Session provides applications for various platforms, such as macOS, Windows, and Linux, along with mobile clients available on both iOS and Android.
Facebook Messenger lets Facebook users send messages to each other. Complementing regular conversations, Messenger lets users make voice calls [53] and video calls [54] both in one-to-one interactions [55] and in group conversations. [56]
A mobile-focused, phone number-based model operates on the concept of primary and secondary devices. 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.
Facebook Messenger also say they offer the protocol for optional Secret Conversations, as does Skype for its Private Conversations. The protocol combines the Double Ratchet Algorithm , prekeys, and a triple Elliptic-curve Diffie–Hellman (3-DH) handshake, [ 5 ] and uses Curve25519 , AES-256 , and HMAC-SHA256 as primitives .