Today in computer history: November 21th
Below are technology and computer-related events that happened on November 21th of every year during the evolution of computers. November 21th is the 326th day of 2024, which is a leap year. There are 40 days left in the year from this day.
November 21, 1877147 years ago
Thomas Edison invents and announces the first phonograph capable of recording and replaying sounds.
November 21, 20168 years ago
Symantec announced it had purchased LifeLock company for $2.3 billion.