Anyone here remember the 8" Floppy Disks from IBM? I had a computer with a 5 1/4" floppy drive but not the 8".
It held 1,024 bytes or 1 KB
By comparison, the DVD-R in the photo holds 4,700,000,000 bytes or 4,589,844 KB
We've come a long way in a relatively short period of time. For portable storage, Holographic Versatile Disc (HVD) may become the high capacity standard. I think they're up to 300GB now but may one day hold 3.9 terabytes (TB) on a single optical disc.