Do you have a hard drive that has failed for any reason ? Did that hard drive have any sensitive or personal data, which was not supposed to be shared with anyone ? And since the hard drive was not functioning anymore, did you decide to dispose it ? How did you dispose it ?
Sold it away or threw it away it some junk corner ? If you’ve not been in such a situation, it’s time for you to read the article – drive slagging.
Also don’t miss out the MIT article, which tells you how safe your data is after disposing or throwing away your hard disk.
Next time around, if any of your harddrive May be you should be more careful.