Don’t erase, overwrite: How to avoid being that person who resells a drive with data on it.

The article advises computer users to overwrite hard drives again and again to ensure that the hard drives they would sell, give away or destroy no longer contain data. Topics covered include a study from Blancco which found that 42 percent of hard drives purchased on eBay still contain data, why formatting a hard drive is not enough when erasing data and the availability of tools for erasing data on hard drives.