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Sighn language
<a href='www.wpclipart.com/signs_symbol/gesture_mood/Sign_language_Y.png' Juan Pablo de Bonet published the first book that taught sign language to the deaf people. His work was based on a italian physician who stated that hearing words was not necessary for understanding peoples ideas. -
Telegraph
The first telegraph message transmitted in Canada was sent from Toronto to Hamilton on December 19, 1846. https://tce-live.s3.amazonaws.com/media/media/d728ded5-05be-48c5-8097-f08db72cac00.jpg -
Typewriter
<a href='http://www.clker.com/clipart-251836.html' The first typewriter to be successful was invented in 1868 by American Christopher Latham Sholes. Then you could write storys and books. -
Television
<a href='http://www.learner.org/courses/chemistry/images/lrg_img/CRT_tv.jpg' Television is used for transmitting and receiving moving images and sound. Television can transmit images that are monochrome, in color, or in three dimensions. -
House Telephone
http://www.goethe.de/ins/us/saf/pro/stepintogerman/Diashows/top/bild34.jpg</a> First house phone.
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World wide web
<a href='http://www.whenwasitinvented.org/wp-content/uploads/2011/05/World-Wide-Web.jpg' Tim Berners-Lee, a computer scientist who invented the web 25 years ago. And the world wide web has helped the people around the world alot. -
Iphone 6
<a href='http://cdn1.valuewalk.com/wp-content/uploads/2014/08/iPHone-6-box.jpg' iPhone a line of smartphones designed and marketed by Apple. And it runs on Apple's iOS mobile system.
