It's a miniaturised electronic device. Over time components rot. Materials oxidise, capacitors leak, connections squeak and break. And the NAND cells? The stor

It's a miniaturised electronic device. Over time components rot. Materials oxidise, capacitors leak, connections squeak and break. And the NAND cells? The storage mechanism is the result of an electro-chemical reaction. In time the charge potential between the storage states will succumb to entropy. So what breaks on the Nano? Everything. And what breaks it? Time.