the different of dick from1956-2010
In 1956, IBM's IBM 350RAMAC is the prototype of the modern hard disk, it is as big as two refrigerators, but its only 5MB.
"Hitachi" Global Storage Technologies Inc. has also announced a global "OEM" manufacturers will be part of the distribution partners and launch 3T, 2T and 1.5T "Deskstar 7K3000" hard drive series. and it is only 3x3cm
the hard disk got smeller and smeller but the capacity is bigger and bigger, the Technology is getting better and better and our world is getting easier and easier.