In general, web conferencing is made possible by Internet technologies, particularly on TCP/IP connections. Services may allow real-time point-to-point communications as well as multicast communications from one sender to many receivers. It offers data streams of text-based messages, voice and video chat to be shared simultaneously, across geographically dispersed locations. Applications for web conferencing include meetings, training events, lectures, or presentations from a web-connected computer to other web-connected computers.


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).
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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