Evan Harmon - Memex

Instant messaging

img Online chat may refer to any kind of communication over the Internet that offers a real-time transmission of text messages from sender to receiver. Chat messages are generally short in order to enable other participants to respond quickly. Thereby, a feeling similar to a spoken conversation is created, which distinguishes chatting from other text-based online communication forms such as Internet forums and email. Online chat may address point-to-point communications as well as multicast communications from one sender to many receivers and voice and video chat, or may be a feature of a web conferencing service.
wikipedia:: Online chat
img Instant messaging (IM) technology is a type of online chat allowing real-time text transmission over the Internet or another computer network. Messages are typically transmitted between two or more parties, when each user inputs text and triggers a transmission to the recipient(s), who are all connected on a common network. It differs from email in that conversations over instant messaging happen in real-time. Most modern IM applications use push technology and also add other features such as emojis, file transfer, chatbots, voice over IP, or video chat capabilities.
wikipedia:: Instant messaging
img Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile devices, desktops/laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also be sent via satellite or Internet connection.
wikipedia:: Text messaging
img In computing, a Private message, personal message, or direct message refers to a private communication sent or received by a user of a private communication channel on any given platform. Unlike public posts, PMs are only viewable by the participants. Though long a function present on IRCs and Internet forums, private channels for PMs have recently grown in popularity due to the increasing demand for privacy and private collaboration on social media.
wikipedia:: Private message

Chatbot
Push tech
synchronous vs asynchronous communication
Peer-to-peer
Message-oriented Middleware (MOM)

Protocols & Technology

Tools

Clients/Apps

(Most Videotelephony and Internet forum and Team chat apps have direct messaging)

Instant messaging
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Instant messaging
Protocols & Technology
Tools
Clients/Apps
Video Games