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Off-the-record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. OTR uses a combination of AES symmetric-key algorithm with 128 bits key length, the Diffie–Hellman key exchange with 1536 bits group size, and the SHA-1 hash function.
It began as Facebook Chat in 2008, [245] was revamped in 2010 [246] and eventually became a standalone mobile app in August 2011, while remaining part of the user page on browsers. [247] Complementing regular conversations, Messenger lets users make one-to-one [248] and group [249] voice [250] and video calls. [251]
In 2008, Facebook Chat launched, which evolved into Facebook Messenger in 2011 and allows users to message each other via the Facebook site. Twitter followed suit and introduced direct messages to their site in 2013. [citation needed] Today, private messaging is a staple of established social media platforms and more recently-developed ...
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 ...
Posts can be changed to be seen by everyone (public), friends, people in a certain group (group) or by selected friends (private). Users can join groups. Groups are composed of persons with shared interests. For example, they might go to the same sporting club, live in the same suburb, have the same breed of pet or share a hobby.
Yahoo! Messenger added video capabilities in 2001; [32] by 2005, such features were built-in also in AIM, MSN Messenger, and Skype. [33] There were a reported 100 million users of instant messaging in 2001. [34] As of 2003, AIM was the globally most popular instant messenger with 195 million users and exchanges of 1.6 billion messages daily. [2]
MSNP (Windows Live Messenger, etc.) Microsoft: 1999 Jul Proprietary: Email address (Microsoft account) Yes No No Only for certified robots No Centralistic Yes Yes Yes Yes Yes Yes No ? MSNP (Windows Live Messenger, etc.) MTProto Telegram Messenger LLP 2013 Aug Open standard: Phone number (e.g. +15550123), nickname (e.g. @example) Yes Yes
Example of Messenger Service spam from 2007. In 2002, a number of spammers began abusing the Windows Messenger service , a function of Windows designed to allow administrators to send alerts to users' workstations (not to be confused with Windows Messenger or Windows Live Messenger , a free instant messaging application) in Microsoft 's Windows ...