communication in history

Cave Drawings

100

http://www.beaconlearningcenter.com/documents/1137_01.pdfCave paintings are found on cave walls or ceilings,and refer to those of prehistoric origin.Nearly 340 caves have cave drawings in France and Spain.

Verbal Communication

100

http://www.skillsyouneed.com/general/what-is-communication.htmlFace to face,telephone,or any other media.

Non verbal communication

100

http://www.skillsyouneed.com/general/what-is-communication.htmlBody language,gestures,or how we dress or act.

Petroglyphs

Jan 1, 1000

Petroglyphs are pictogram images made by removing part of a rock surface by incising.

Printing Press

Jan 1, 1700

http://education-portal.com/academy/lesson/johannes-gutenberg-inventions-facts-accomplishments.html#lessonJohann Gutenburg invented the printing press in 1700 BC.He was a german blacksmith,the printing press was invented around 1439.The printing press allowed manuscripts to be mass produced at affordable costs.

The Telegraph

Jan 1, 1830

http://www.history.com/topics/inventions/telegraphThe telegraph worked by transmitting electrical signals over a wire laid between stations.In addition Samuel Morse developed a code.

Electronic Mail

Jan 1, 1972

http://inventors.about.com/od/estartinventions/a/email.htmElectronic mail was introduced by Ray Tomlinson,a computer scientist.He uses @ to distinguish the network name in the email address.