Telecommunication

Loisirs Littéraires au XXe siècle (English: "Literary leasures in the 20th century") is the title of an illustration from the story "The End of Books" by French writer Octave Uzanne and illustrator Albert Robida, a story about a post-literate society in which readers have become 'hearers', consumers of audio books. It was published in the collection Contes pour les bibliophiles (1895). The illustration depicts a female reader of the 20th century, imagined by Robida, who is listening to "12 poètes assortis" (twelve assorted poets) in on the balcony overlooking a future city.

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Rhombicuboctahedron by Leonardo da Vinci

Telecommunication is the assisted transmission of signals over a distance for the purpose of communication. In earlier times, this may have involved the use of smoke signals, drums, semaphore, flags, or heliograph. In modern times, telecommunication typically involves the use of electronic transmitters such as the telephone, television, radio or computer. Early inventors in the field of telecommunication include Antonio Meucci, Alexander Graham Bell, Guglielmo Marconi and John Logie Baird. Telecommunication is an important part of the world economy and the telecommunication industry's revenue has been placed at just under 3 percent of the gross world product.

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