Hard disk drives keep getting bigger, meaning capacity just keeps getting cheaper. But storage capacity is like money: The more you have, the more you use. And this growth in capacity means that data is at risk from a very old nemesis: Unrecoverable Read Errors (URE).
Comparing my iPhone 3GS to my new iPad today, I spotted something really odd. On the 3GS, in the Settings->General->About page, was a menu called “ttou” with some rather odd content. See for yourself!