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  2. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    Communication problems and successes played an important role during the September 11 attacks in 2001 and their aftermath. Systems were variously destroyed or overwhelmed by loads greater than they were designed to carry, or failed to operate as intended or desired.

  3. Conference call - Wikipedia

    en.wikipedia.org/wiki/Conference_call

    A Polycom phone made specifically for conference calls. A conference call (sometimes called an audio teleconference or ATC) is a telephone call in which someone talks to several people at the same time. The conference call may be designed to allow the called party to participate during the call or set up so that the called party merely listens ...

  4. History of videotelephony - Wikipedia

    en.wikipedia.org/wiki/History_of_videotelephony

    Studies of applications of videotelephony were conducted by CNET in France in 1972, with its first commercial applications for videophones appearing in 1984. The delay was due to the problem of insufficient bandwidth, with 2 Mb per second being required for transmitting both video and audio signals.

  5. YouTube suspensions - Wikipedia

    en.wikipedia.org/wiki/YouTube_suspensions

    YouTube suspensions. YouTube may suspend accounts, temporarily or permanently, from their social networking service. Suspensions of high-profile individuals from YouTube are unusual and when they occur, often attract attention in the media.

  6. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's. Country codes are dialed before the national telephone number, but require at least one additional prefix, the international call prefix which is an exit code from the national numbering plan to the international one. In ...

  7. Telephone call - Wikipedia

    en.wikipedia.org/wiki/Telephone_call

    A telephone call or telephone conversation (or telcon [1] [a] ), also known as a phone call or voice call (or simply a call ), is a connection over a telephone network between the called party and the calling party. Telephone calls started in the late 19th century. As technology has improved, a majority of telephone calls are made over a ...

  8. Jawed Karim - Wikipedia

    en.wikipedia.org/wiki/Jawed_Karim

    Jawed Karim (born October 28, 1979) is an American software engineer and Internet entrepreneur. He is a co-founder of YouTube and the first person to upload a video to the site. The site's inaugural video, "Me at the zoo", uploaded on April 23, 2005, has been viewed over 327 million times as of July 9, 2024. [2] [3] During Karim's time working ...

  9. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    YouTube is an American video-sharing website headquartered in San Bruno, California. The site indicates view counts of each uploaded video, making it possible to keep track of the most viewed, many of which continue to exist while others are no longer available on the site. Although the most-viewed were initially viral videos uploaded by amateur content creators, such as " Evolution of Dance ...