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The printing press is a mechanical method designed to reproduce texts and images on paper, cloth or other materials.
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It was developed by Alfred Vail while collaborating with Samuel Morse in the invention of the electric telegraph
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Theodor Maiman invents the operable laser, introduced by Digital Equipment Corporation
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Radio (understood as radio or broadcast, terms not strictly synonymous) 1 is a medium of communication that is based on the sending of audio signals through radio waves.
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CompuServe was a US communications company whose full name was CompuServe Information Services, or CIS. It was the first commercial provider of telematic services in the United States.
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A radio telescope captures radio waves emitted by radio sources, usually through a large satellite dish (dish), or a set of them, unlike an ordinary telescope, which captures images in visible light.
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Television is a system for the transmission and reception of images and sound that simulate movement, remotely using a mechanism of diffusion.
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A satellite is an ingenious, sent in a space shuttle, that stays in orbit around bodies of the space.
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Electronic mail (email or e-mail) is a method of exchanging messages between people using electronics.
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The Advanced Research Projects Agency Network (ARPANET) was an early packet switching network and the first network to implement the protocol suite TCP/IP. Both technologies became the technical foundation of the Internet
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A mobile or cellular phone is a portable telephone that can make and receive calls through a radio frequency carrier while the user is moving within a telephone service area.
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Internet Relay Chat (IRC) is an application layer protocol that facilitates communication in the form of text.
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Napster was the name given to two music-focused online services.
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is a free online encyclopedia with the aim to allow anyone to edit articles
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Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries
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Myspace is a social networking website offering an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos.
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Facebook is an American for-profit corporation and an online social media and social networking service based in Menlo Park, California
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Flickr is an image- and video-hosting website and web services suite that was created by Ludicorp in 2004 and acquired by Yahoo on 20 March 2005.
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YouTube is an American video-sharing website headquartered in San Bruno, California.
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Twitter is a social networking and microblogging service. Users use mobile phones or computers to send and to read messages, called "tweets".