videos i recomment

https://www.youtube.com/watch?v=1fZTOjd_bOQ

• https://www.youtube.com/watch?v=_9YPm0EghvU

• become a great backend engineer - https://www.youtube.com/watch?v=5SG4Q1zfcUo

• data achival - https://www.youtube.com/watch?v=ulh9z-JluBs

  • optical drives are really good option