The 21st century.
How we know we are living in the 21st century: you can buy harddrives at $0.70/gigabyte.
CDRs are still cheaper at about $0.20/gigabyte
How we know we are living in the 21st century: you can buy harddrives at $0.70/gigabyte.
CDRs are still cheaper at about $0.20/gigabyte