Ibm Serves Up A Whopper Of A Magnetic Sandwich

How many digital characters can sit on a magnetic thumbtack? About 100 million, says IBM. Rivals thought Big Blue was blowing smoke last year when it predicted that so-called giant magnetoresistance (GMR) technology could produce thumbtack-size computer disk drives with 100-megabyte capacities--enough to hold more than 100 novels--by decade's end. Now, it looks as if IBM was being conservative.

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