1948 – Bell Labs introduced the point-contact transistor demonstrated by its inventors, John Bardeen and Walter Brattain at a press conference in Murray Hill, NJ.
1948 – The FCC authorization of recording devices in connection with interstate or foreign telephone service went into effect. Users of the service had to be given adequate notice including a tone warning signal at regular intervals.
2015 – Apple launched Apple Music, a streaming service for $10 a month along with radio station Beats One.
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