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Alexander Graham Bell invented the phone, which allowed faster communication. This helped businesses families, and the military to communicate faster. Also help friends and family to maintain close relationships (http://www.debold.com/webdesign/webdesign4history/marananjonathan/science.html).
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The loudspeaker was invented by Alexander Graham Bell, which was part of the phone. This loudspeaker was able to reproduce speech. The loudspeaker helped influence music industry and led to improved loudspeakers over time, which encouraged performers to perform live concerts.
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The microphone was invented Emile Berliner. The microphone influenced the music industry and the radio (https://www.tech-faq.com/who-invented-the-microphone.html).
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The phonograph was invented by Thomas Alva Edison This invention was important for the music industry in recording songs. This phonograph was used also for recording messages, which inspired our days to have voicemail.(http://www.debold.com/webdesign/webdesign4history/marananjonathan/science.html).
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The light bulb was invented by Thomas Alva Edison.The light bulb helped the world to see with more light and is used every day(http://www.debold.com/webdesign/webdesign4history/marananjonathan/science.html).
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