Posterous theme by Cory Watilo

How can you be sure you erased all the data from that old hard disk

Here's an interesting piece, plus a short video from the BBC, about erasing data from hard drives before selling or disposing of your old PC.

http://www.spaldingcomputers.co.uk/words/did-you-really-erase-all-that-data-f...

In short it's actually quite difficult to do. Even after a reformat and re-install of Windows, much of your old data is still on the drive and easily recovered with free software downloaded from the internet.