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100
Speech
Speech is a way of human communication.The power of speaking,oral communication.There was many speeches that were very important.Example Martin Luther KIng jr. His speech is one of the most famous.www.plymouth.k12.wi.us -
100
Cave Drawings
Cave drawings are basically drawings that people in 100 b.c use to communicate. The people wrote in caves to communicate. They had different symbols for certain words.www.faculty.umb.edu -
230
Ideogram
Written character symbolizing the idea of somthing.Some examples are numerals and Chinese characters. -
270
Symbols
a symbol can represent an object suggest an idea.It can also stand for something www.ihd-wallpapers.com.There are manhy symbols today that stand for apps, brands, restaurans and ect. Examples today are twitter,mCDonalds,Nike and Polo. -
Jun 10, 1450
Printing Press
The printing press was invented in 1450. It was invented Johannes Gutenberg.Now a day we have a similar one.www.mosesavalon.com -
Typewriter
The typewriter was invented by a English man,Henry Mith.the typewriter is a mechanical or electronical writing machine.www.willdavis.org www.history.com -
Telegraph
1831 Henry invents the first telegraph.The telegraph back then was the most popular thing to use to send letters to people or even write to them.A year later Samuel Morse invents Morse code.www.history.com -
Telephone
It is a telecommunication device that permits two or more to conduct conversation when they are not in the same vicnity of each other.www.wpclipart.com -
Internet
A worlwide system of interconnected computer networks.Today we use internet for everything.We have internet in our phone's,tablets,computer's and game systems too. -
Computers
Computer's were first invented around th 1960's. The computer's from back then are nothing alike to the one's we have now.Today's computers are small,some even portable.Back then the computers were huge. -
Skype
Skype was invented by Janus Friis and Niklas Zennstrom.The first public beta version was released in August 29 2003.After a while Microsoft bought Skype for 8.5 billion$.The software in Skype was created by Estonias Ahti Heinla,Priit Kasesalu,and Jaan Tallin.www.wpcentral.com -
Twitter
Twitter is a social network service that enables users to send and read messages called tweets.Registered users can read and post tweets.
