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Canal de retour^[1] is a term that originated from Victor Yngve in 1970. It refers to a form of communication that occurs in the background or alongside the main conversation or activity. The backchannel has evolved significantly since its inception, with testing systems emerging in the late 1990s and early 2000s, and its notable impact evident at the PC Forum conference in 2002. It has become an integral part of various sectors including education, where it fosters engagement, interaction, and active contribution. The use of backchannel in this environment is facilitated by platforms like Twitter^[3] et Facebook^[2], and tools like Purdue University’s Hotseat. Backchannel has also been the subject of numerous research studies, exploring its role, impact, and effectiveness in different settings.

Définitions des termes

1. ↑ Canal de retour ( Backchannel )

1 Backchannel is a term originally coined by Victor Yngve in 1970. It refers to a secondary, usually online, conversation that takes place at the same time as a primary, often face-to-face, discussion or presentation. Initially tested in the late 1990s and early 2000s, the concept gained significant recognition in 2002 at the PC Forum conference. Backchannel communication not only allows participants to contribute to the conversation but also fosters engagement among different audience members. It has been increasingly used in the education sector, with various tools and platforms facilitating real-time comments, note-taking, and resource sharing. Experimental models have also been created for backchannel communication, such as Joichi Ito's HeckleBot. Over the years, numerous studies have been conducted on backchannel, exploring its role and impact in shared physical spaces, collaborative learning environments, and classroom participation.

2 Backchannel is a term that originated from Victor Yngve in 1970. It refers to a form of communication that occurs in the background or alongside the main conversation or activity. The backchannel has evolved significantly since its inception, with testing systems emerging in the late 1990s and early 2000s, and its notable impact evident at the PC Forum conference in 2002. It has become an integral part of various sectors including education, where it fosters engagement, interaction, and active contribution. The use of backchannel in this environment is facilitated by platforms like Twitter and Facebook, and tools like Purdue University's Hotseat. Backchannel has also been the subject of numerous research studies, exploring its role, impact, and effectiveness in different settings.

2. ↑ Facebook ( Facebook ) Facebook, aujourd'hui connu sous le nom de Meta Platforms, est une grande société Internet qui a débuté comme plateforme de réseau social. Fondé par Mark Zuckerberg en 2004, Facebook s'est rapidement étendu de Harvard à d'autres universités, puis au grand public, devenant ainsi un phénomène mondial. Il est connu pour son interface conviviale et ses diverses fonctionnalités telles que les groupes, la plateforme pour développeurs et Facebook Dating. Bien que critiqué pour des questions telles que les atteintes à la vie privée et la diffusion de fausses nouvelles, Facebook est resté un acteur dominant du monde en ligne. L'entreprise a fait des progrès considérables dans le domaine de la technologie, notamment en développant son système unique de stockage de données, en utilisant PHP pour sa plateforme et en lançant le langage de programmation Hack. Ces dernières années, l'entreprise s'est tournée vers le métavers, un espace de réalité virtuelle où les utilisateurs peuvent interagir avec un environnement généré par ordinateur.