If you have no sense of wonder at technological progress or find tech history
boring then you should skip this item. Everyone else will find themselves
reflecting in wonder just how far things have come since IBM introduced the
first hard drive in the 1950s. As big as a refrigerator and costing a small
fortune it was a marvel of its times. And the glimpse of 1950s California
where the drive was developed is almost as fascinating. - Gizmo
http://www.techsupportalert.com/content/introducing-5-mb-yes-really-hard-disk.htm