Real-time text chat facilities such as IRC appeared in the late 1980s. Web-based chat and instant messaging software appeared in the mid-1990s. The PLATO computer learning system allowed students to collaborate on networked computers to accomplish learning tasks as early as the 1960s, but the early networking was not accomplished via the World Wide Web and PLATO's collaborative goals were not consistent with the presenter-audience dynamic typical of web conferencing systems.[8] PLATO II, in 1961, featured two users at once.[9]
Depending on the technology being used, participants may speak and listen to audio over standard telephone lines or via computer microphones and speakers. Some products allow for use of a webcam to display participants, while others may require their own proprietary encoding or externally provided encoding of a video feed (for example, from a professional video camera connected via an IEEE 1394 interface) that is displayed in the session.

In February 1998, Starlight Networks[22] released StarLive! (the exclamation point being part of the product name).[23] The press release said "customers can access familiar Web browser interfaces to view live and pre-recorded corporate presentations, along with synchronized slides. End users can communicate directly with the presenter using real-time chat technology and other Web-based collaboration tools."
Presentation of visual materials most often is accomplished through one of two primary methodologies. The web conferencing software may show participants an image of the presenter's computer screen (or desktop). Again, depending upon the product, the software may show the entire visible desktop area or may allow selection of a physical area or application running on the presenter's computer. The second method relies on an upload and conversion process (most commonly consisting of Microsoft PowerPoint files, other Microsoft Office electronic documents, or Adobe PDF documents).
A good webinar software should be selelcted during the preparation. But how to choose the right one and how to do a webinar for free ? Having yourself equipped with the proper webinar tool for creating your own webinar plays an important role in the online presentation process, as you will be able to demonstrate a concept to the participants in an easy way. And the webinar tool shoul allow you to create paid webinars, which make sure you can make money with webinars in a easy and safe way.
Rather than the 7% or so fee investment banks may charge for flying planeloads of investment bankers around the world, companies like Slack can simply hold a webinar. — Michael J. Coren, Quartz, "After Slack, the IPO market might never be the same," 19 June 2019 Emily's List: An organization dedicated to electing prochoice Democratic women to office by guiding women through their campaigns from start to finish, with trainings, webinars, and volunteer support. — Glamour, "Here’s How You Can Help Women in States With Extreme Abortion Bans Right Now," 15 May 2019 The Liquor and Cannabis Board plans to hold a webinar on October 16 to address questions about its reevaluation of edibles. — Heidi Groover, The Seattle Times, "Washington to ‘reevaluate’ marijuana edibles, crack down on products that might appeal to kids," 5 Oct. 2018 The initial program ran for 12 weeks, with three in-person gatherings in New York, in Austin, Texas, and at Facebook headquarters in Menlo Park, Calif., as well as weekly webinars and weekly individual training sessions with each publisher. — Lukas I. Alpert, WSJ, "Facebook Gives Local Newspapers Tips on How to Boost Subscriptions," 2 Aug. 2018 Correction: This story has been updated to reflect FMCA’s planned webinars are on social media training and video recording. — Maria Elena Vizcaino, OrlandoSentinel.com, "Florida League of Cities launches organization for local government spokespeople," 26 June 2018 Those looking to ditch their day jobs and start an online business that’s more than a side hustle can tune into a webinar with Regina Renaye, who founded her own virtual assistant business, Anywhere Admin. — Margeaux Sippell, BostonGlobe.com, "Weekend business agenda," 29 June 2018 The proceedings will appear via webinar at https://alabamadcnr.adobeconnect.com/redsnapperconference . — Frank Sargeant, AL.com, "White bass, wild turkeys and red snapper in the outdoor news," 21 Mar. 2018 Those looking to get started in the real estate business, even with no prior knowledge, are invited to log in to a webinar on how to make money in real estate investing. — Margeaux Sippell, BostonGlobe.com, "Weekend business agenda," 7 June 2018
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