Videotelephony, also known as video chat, videoconferencing, video calling, or telepresence, is the use of audio and video for simultaneous two-way communication.
A telepresence system in 2007
Videotelephony predicted to be in use by 2000, as envisioned in 1910 (artist's conception)
Videotelephone booth, 1930
Gregorio Y. Zara was a Filipino engineer and physicist best remembered for inventing the first two-way video telephone.
Zoom Workplace is a proprietary videotelephony software program developed by Zoom Communications. The free plan allows up to 100 concurrent participants, with a 40-minute time restriction. Users have
Videotelephony
…29,029 ft) above sea level. The COVID-19 pandemic resulted in a significant increase in the use of videoconferencing. Berstein Research found that Zoom added more subscribers during the first two months of 2020 alone than in the entire year 2019. GoToMeeting had a 20 percent increase in usage, according…
In July 2020, using Zoom, the International Association of Constitutional Law and Alma Mater Europaea organized the first round-the-clock and round-the-globe event that traveled through time zones.