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3500 BCE
The writing
Writing is a medium of human communication that involves the representation of a language with symbols. -
3000 BCE
Papyrus
Papyrus is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant -
300 BCE
Paper
Paper is a thin sheet material produced by mechanically and/or chemically processing cellulose fibres derived from wood, rags, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre evenly distributed on the surface, followed by pressing and drying. It is a versatile material with many uses, including writing and drawing. -
1430
The printing press
A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. -
The telegraph
It is a object used in long-distance transmission of textual messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. -
The telephone
A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. -
Radio
Radio is the technology of signaling and communicating using radio waves. The first practical radio transmitters and receivers were developed around 1895–1896 by Italian Guglielmo Marconi, and radio began to be used commercially around 1900. -
Television
It is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can refer to a television set, a television show, or the medium of television transmission. Television is a mass medium for advertising, entertainment, news, and sports. -
Personal computer (and the internet)
Personal computer is a small computer with a microprocessor, designed for use by an individual. Used with the internet, we can communicate with anyone who has access to the same network, and also have access to a multitude of subjects -
The smartphone
A smartphone is a mobile device that combines cellular and mobile computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software and internet
