1. TIMELINE OF COMMUNICATION THROUGHOUT HISTORY

2. LETTERS
Etruscan writing, the beginning of the writing with the Latin alphabet. By at least the 8th century BC the Greeks borrowed the Phoenician alphabet and alphabeted it to their own language, creating in the process the first true alphabet, in which vowels were accorded equal status with consonants.

3. CARRIER PIGEONS
Messenger pigeons were used as early as 1150 in Baghdad and also later by Genghis Khan.

4. SIGN LANGUAGE
In 1620, Juan Pablo de Bonet published the first book that taught sign language to the deaf. His writings were based on the work of an Italian physician, Girolamo Cardono, who stated that hearing words was not necessary for understanding ideas.

5. BRAILLE
Braille was invented in the 19th century by a man named Louis Braille, who was completely blind. It is a sequence of dots which blind people can use to read by touching.

6. TELEGRAMS
According to Morse, telegraph dates only from 1832, when Pavel Schilling invented one of the earliest electrical telegraphs.

7. MORSE CODE
In the 1890s, Morse code began to be used extensively for early radio communication, before it was possible to transmit voice. In the 19th and 20th century a lot of international communication was done by morse code on telegraph lines, undersea cables and radio circuits.

8. TELEPHONE
The United States Patent Office issued patent #174,465 to Alexander Graham Bell on march 7, 1856 for his device that could transmit speech electrically, the telephone. On March 10, Mr. Bell spoke the first intelligible words into the device. “ Mr Watson , come here, I want to see you,”

9. RADIO
Guglielmo Marconi ( an italian inventor) proved the success of radio communication. He sent and received signal in Italy in By 1899 he flashed the first wireless signal across the English Channel and two years later received the letter “S” telegraphed from England to Newfoundland.

10. BEFORE …
… THEN

11. How does a digital radio receiver work?
Switch on your digital radio and it...
1- Collects fragments of radio signals flying through the air.
2- Sorts through and reassembles the fragments in order to make a complete radio signal, and thus the program you want to hear

12. TELEVISION: ITS HISTORY
The invention of the television was the work of many individuals in the late 19th century and early 20th century. Individuals and corporations competed in various parts of the world to deliver a device that superseded previous technology.

13. TELEVISION THROUGH THE CENTURIES
Mechanical television;
Electronic television;
Color televison;
Digital televison;
Smart televison;
3D ,OLED ;LD ;SD ;UHD, HD

14. FUN FACTS ABOUT TELEVISION
Television became widely popular after the end of World War II. Over 1 million American homes had television in 1948.
Average American family watches TV for eight hours per day.
It is estimated that by the time average American child reach age 14, it sees around 11,000 murders on the television. By the age 18, that number goes to 200,000.
Average 65 year old person sees over 2 million TV commercials during his life.
More and more people are watching television programs on their smartphones.
Americans annually watch around 250 billion hours of television

15.
Ray Tomlinson is credited with inventing in Like many of the internet inventors, Tomlinson worked for Bolt Beranek and Newman as an appanet contractor. He picked symbol from the computer keyboard to denote sending messages from one computer to another.

16. TEXT MESSAGING
The first SMS message was sent over the Vodafone GSM network in the United Kingdom on 3 December The text message was “Merry Christmas.”

17. SOCIAL NETWORKS
1997: The Birth of Social Media The first social media site was Six Degrees, that lasted from 1997 to Six Degrees allowed users to create a profile and then friend other users. It even allowed those who didn’t register as users to confirm friendships and connected quite a few people this way.
2000: The Internet is Everywhere By the year 2000, around 100 million people had access to the net, and it became quite common for people to be engaged socially online. More and more people began to use chat rooms for making friends, dating and discussing topics that they wanted to talk about.
2003: The First Social Media Surge Back in the early 2000’s the website MySpace was the popular place to set up a profile and make friends. MySpace was the original social media profile website, leading into and inspiring websites like Facebook.

18. 2005: and
In 2004, Mark Zuckerberg launched Facebook, that is the number one social media website today and it currently boasts over a billion users.
However, back in 2004, Facebook (TheFacebook.com then) was launched just for Harvard students.
In 2006, the popularity of text messaging or SMS inspired Jack Dorsey, Biz Stone, Noah Glass and Evan Williams to create Twitter, a service that had the unique distinction of allowing users to send “tweets” of 140 characters or less. Today, Twitter has over 500 million users.

19. Social Networks Today
Social media today consists of thousands of social media platforms, all serving the same – but slightly different purpose. Of course, some social media platforms are more popular than others, but even the smaller ones get used by a portion of the population because each one caters to a very different type of person.
Businesses are using social media to promote their products and services in a brand new way and so each form of social media serves a purpose that the others available may not