| Change in communication
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Increased availability of telephones
- The telephone was invented in the late 1800's, but it wasn't until the 1920's when most homes had a telephone.
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Development of the radio
- By the end of the 1920s, most homes had a radio. In a time before the TV and the Internet, the radio was a fun source of news and entertainment.
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Development of the broadcasting industry
- Today, NBC broadcasts TV shows, but it started as the National Broadcasting Company and broadcasted radio programs.
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Development of Movies
- Al Jolson is pictured on the right in the first talking movie, "The Jazz Singer."
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