Today in computer history: November 21

The 326th day of 2020. It's a leap year and there are 40 days left in the year from this day.

HardwareNovember 21, 1877
143 years ago

Thomas Edison invents and announces the first phonograph capable of recording and replaying sounds.

CompanyNovember 21, 2016
4 years ago

Symantec announced it had purchased LifeLock company for $2.3 billion.

Sound, Symantec

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