Advertising companies are even beginning to use text messaging as a form of communication. I myself have used this method to announce store promotions in my own life by simply sending a text message in everyone in my phone book and requesting that they simply forward the message to everyone they know...
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It seem so simple, however in a matter of minutes my messaged was delivered to well over a 1000 people, some that I knew and many that I didn't. It was a very effective form of generic or general communication that worked very well. A unique or ?one of a kind' type of communication is one that is used on a more personal basis...
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Radio Waves When you listen to the radio, contrary to what some think, you are hearing the receivers pick up the waves and turn them into sound. Three more types of radio waves are; ground waves, ionospheric waves and tropospheric waves...	3 / 713
Radio Waves This is accomplished by combining a sound wave from a microphone, tape, record, or CD with a "carrier" radio wave. The result : a wave that transmits voice or programming as its amplitude ( intensity ) increases and decreases...	4 / 855
Media Other assignments for fm service may limit the allowable deviation to 50 kilohertz, or even 10 kilohertz. Since there is no fixed value for comparison, the term "percent of modulation" has little meaning for fm...	3 / 648
How Radio Waves Work He was known for being the first to broadcast and receive radio waves. His name also became the term used for radio and electrical frequencies: hertz (Hz)...	5 / 1303