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The SSE mechanism was first specified by Ian Hickson as part of the "WHATWG Web Applications 1.0" proposal starting in 2004. [3] In September 2006, the Opera web browser implemented the experimental technology in a feature called "Server-Sent Events".
WhatsApp (officially WhatsApp Messenger) is an American instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. [13] It allows users to send text, voice messages and video messages, [14] make voice and video calls, and share images, documents, user locations, and other content.
The web application can then push messages addressed to the client to a local interface of the relay server, which relays them over the Flash socket. The advantage of this approach is that it appreciates the natural read-write asymmetry that is typical of many web applications, including chat, and as a consequence it offers high efficiency.
Cell Broadcast messaging was first demonstrated in Paris in 1997. Some mobile operators used Cell Broadcast for communicating the area code of the antenna cell to the mobile user (via channel 050), [5] for nationwide or citywide alerting, weather reports, mass messaging, location-based news, etc. Cell broadcast has been widely deployed since 2008 by major Asian, US, Canadian, South American ...
In computer networking, telecommunication and information theory, broadcasting is a method of transferring a message to all recipients simultaneously. Broadcasting can be performed as a high-level operation in a program, for example, broadcasting in Message Passing Interface, or it may be a low-level networking operation, for example broadcasting on Ethernet.
Among ChatON's unique features were allowing users to create Animation messages, Broadcast to send personal notices in a group chat room, and the Trunk which stores media files shared in chats. [11] When a user logs in ChatON, the user's buddy list is available on any connected device. [13] [14] ChatON was viewed as an alternative to WhatsApp. [15]
Web conferencing is a more specific online service, that is often sold as a service, hosted on a web server controlled by the vendor. 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.
In addition to text messaging, users can make voice and video calls, send multimedia, locations, voice messages, and files. [12] A web app version, Threema Web, can be used on desktop devices, but only as long as the phone with the Threema installation of the user is online. There is a beta for iOS users, where it is possible to take the phone ...