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Chat rooms are digital spaces on the internet[3] where users can communicate in real-time, either individually or in groups. The first chat system was used by the U.S. government in 1971, with the first public online chat[1] system, Talkomatic, emerging in 1973. By the 1980s, chat services like CompuServe CB Simulator became widely available. Nowadays, many redes sociais[2] platforms function as chat rooms. Some chat rooms provide graphical multi-user environments, such as 2D or 3D experiences with avatars and virtual elements. They can also host games, and some feature audio and video communications. Chat rooms have rules of behavior to ensure a safe and respectful environment. These rules can include prohibitions on offensive language, hate speech, and impersonation.

Definições de termos
1. online chat. Online chat refers to a form of digital communication that allows real-time exchange of text messages between users. Its origins trace back to 1973 with the creation of Talkomatic, the first online chat system on the PLATO System. Since then, various advancements have shaped and enhanced this mode of communication. Notable figures like Tim Berners-Lee, Vint Cerf, Paul Baran, Emile Berliner, John Logie Baird, and Alexander Graham Bell have made significant contributions to its evolution. Online chat has impacted language use, leading to the emergence of new words and a unique chat etiquette, known as chatiquette. It also plays a crucial role in forming online identities and is a valuable resource for chat/text mining technologies. Critics, however, express concerns about its influence on grammar and proper English usage. Despite this, online chat remains an integral part of digital literacy, particularly among young people. It is now integrated into various platforms, including video-conferencing tools and web conferencing services. The development and use of online chat have been widely explored in academic research, focusing on its implications for language skills and communication.
2. redes sociais. Os meios de comunicação social são um termo abrangente que engloba uma variedade de ferramentas e plataformas digitais que facilitam a partilha de informações e a criação de comunidades virtuais. Surgindo dos primeiros sistemas, como o PLATO e a ARPANET, evoluíram para plataformas modernas como o Facebook e o Twitter. Estas plataformas oferecem características únicas que as diferenciam dos meios de comunicação tradicionais, incluindo a possibilidade de os utilizadores gerarem conteúdos e participarem em comunicações dialógicas. Atendem a mais de 100 milhões de utilizadores em todo o mundo e oferecem diferentes formas de serviços, como aplicações de mensagens e plataformas de criação de conteúdos em colaboração. A utilização das redes sociais tem impactos de grande alcance nos indivíduos, na sociedade e nas empresas, influenciando tudo, desde as práticas de marketing aos processos políticos. No entanto, está também associada a preocupações éticas, como a disseminação de desinformação e a potencial dependência.

The term chat room, or chatroom (and sometimes group chat; abbreviated as GC), is primarily used to describe any form of synchronous conferencing, occasionally even asynchronous conferencing. The term can thus mean any technology, ranging from real-time online chat and online interaction with strangers (e.g., online forums) to fully immersive graphical social environments.

Screenshot of a group chat in the Element instant messaging client

The primary use of a chat room is to share information via text with a group of other users. Generally speaking, the ability to converse with multiple people in the same conversation differentiates chat rooms from instant messaging programs, which are more typically designed for one-to-one communication. The users in a particular chat room are generally connected via a shared internet or other similar connection, and chat rooms exist catering for a wide range of subjects. New technology has enabled the use of file sharing and webcams.

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