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a system for transmitting visual images and sound that are reproduced on screens, chiefly used to broadcast programs for entertainment, information, and education.
"the days before television" -
Facebook is a free social networking Web platform that promotes and facilitates interaction between friends, family and colleagues. -
a printed publication (usually issued daily or weekly) consisting of folded unstapled sheets and containing news, feature articles, advertisements, and correspondence.
"all the newspapers carried the story" -
a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals. -
the transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages.