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I have been wondering about how a hard drive actually stores data.I have read articles and they all point to tiny magnetized regions being used to store the actual data.If indeed this is how data gets stored,what is this material in specific?.

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This is much more a technology question than a physics one (though there are interesting physics related to this question), and the answer has varied over the years and generation of technology. Given that Electronics.SE doesn't seem to be any better a fit, I'm not sure that these is a home for this in the Stack Exchange network right now. Maybe look on Area51. – dmckee♦ Jun 12 '11 at 17:05
Super User might be a possibility. – David Zaslavsky♦ Jun 12 '11 at 19:55

closed as off topic by dmckee♦ Jun 12 '11 at 17:05

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