Good post. The thing I don't understand is, say you have a 1TB hard drive. You fill it up to it's maximum and then format it so it's at zero. You then fill it up again using the full 1TB and delete again. Someone can then come along and extract 2TB of information from a 1TB hard drive. How is 2TB stored on a 1TB hard drive? I have seen this done as far back as 3 formats. How is this information being stored and can we not use this method to create larger storage?