TIMELINE OF MEDIA EXPOSURE
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PRE-INDUSTRIAL AGE Smoke Signal - it a type of messaging system used to send basic transmission over a long distance using smoke. |
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INDUSTRIAL AGE Telegraph -
a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.
![]() ELECTRONIC AGETransistor Radio -
a semiconductor device with three connections, capable of amplification in addition to rectification.
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INFORMATION
Social Media -
websites and applications that enable users to create and share content or to participate in social networking.
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