Cyberspace and Society Lecture Notes 3

Browser plug ins o works with a web browser to offer

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Browser Plug-ins o Works with a web browser to offer extended services Acrobat reader Real player Quicktime Impact of the web o It took: 38 years for radio to reach 50 million users 13 years for television to reach 50 million users Less than 4 years for the web to do the same! Internet 2 o The internet: an interconnected network of thousands of networks Links academic, research, government, and commercial institutions o The Internet2 consortium: Will lead to new applications Faster communications Higher reliability Greater security Will eventually be incorporated into existing internet Voice over IP o VoIP (voice over internet protocol), or Voice over IP, is a technology in which a broadband internet connection is used to place telephone calls instead of the regular phone system File sharing o P2P file sharing uses peer-peer (P2P) protocols that allow users to obtain files from other users located anywhere on the internet o BitTorrent is a file sharing protocol that distributes the role of file server across a collection of dispersed computers Web 2.0 o Web 2.0 is the term often used for participatory technologies Blogs Forums Wikis o Distinguishing feature of Web 2.0 is the do-it-yourself spirit o Mashup is a web page, song, video, or image that combines music and video clips from other works.
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