https://padlet.com/ngocanhtttb2332002/9pt1r8kgpfcoura8 Được tạo với sự can đảm en-us 2021-09-14 16:37:13 UTC 2021-09-14 16:50:54 UTC hello@padlet.com ngocanhtttb2332002 https://padlet.com/ngocanhtttb2332002/9pt1r8kgpfcoura8/wish/1740132306 Topic: How Mass communication changes over the century?
 Mass communication: communication from one person or group of people, through communication device, to many different people at once.
 1. Development of phonetic writing
- 3000 years ago
 - Writing moved away from using pictographs
 - Moved toward using symbols to represent the actual sound of the spoken word.
 In phonetic writing, people represented the sound with three letters D-O-G.
 ->Made writing easier, change in writing style.
 ->Paper made from a grass plant -> much lighter.
 ->Made it easier, cheaper to store the information.
 2. Printing
 - 1700 years ago, the first wooden printing press was invented in China
 - A printing press was invented in Germany in 1455 -> Make it faster, easier to print, information was more accessible
 3. Computers:
- began in the 1950s
- Make everything quicker, easier, changed the nature of mass communication.
Ideas key to mass communication: the ability to store the informations,transport informations, having access to informations

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