Sept. 13, 1956

IBM’s 5MegaByte hard drive, is the size of two refrigerators and costs $50,000.

Feb. 13, 2006

Seagate’s 12GigaByte hard drive, will fit in your cell phone.

Sept. 13, 2006

50 years later: 200 times more storage than the IBM drive on something smaller than a postage stamp. (Size: 11mm widex 15mm long x 1mm tall).

(thanks to endgadget)