VentureBeat: The death of disk? HDDs still have an important role to play.
[1]https://venturebeat.com/2019/09/02/the-death-of-disk-hdds-still-have-an-impor
tant-role-to-play/

   I invented the SSD (solid state disk) in August 1980, first marketed
   one in August 1981.

   See "SemiDisk Systems".

References

   1. https://venturebeat.com/2019/09/02/the-death-of-disk-hdds-still-have-an-important-role-to-play/