I know this is probability a really dumb question, but is the itouch with the 64gb memory the same as the 8gb? Does Apple do something to limit the 64gb chip to 8gb or what? If you look at a micro sd card, a 1gb and a 16gb. They are the same externally as will as internally, so is it programing what makes it limited to a smaller gb or am I just dumb?