"They could be a great people. They wish to be. They only lack the light to power their devices. For this reason above all, their capacity to consumer data, I have sent them you, my only phone..."
According to a recently unearthed patent filed in late April, Apple is looking into having the iPhone join the Last Son of Krypton in drawing energy directly from the yellow sun.
The patent describes sandwiching a layer of (semi-)transparent photo-sensitive cells below the glass and LCD and above the Flex PCB, and could apply equally to iPods and even MacBooks.
While definitely future-thinking, it could well make removable battery concerns a thing of the past.
[In homage, and with apologies to, Alex Ross, John Williams, Marlon Brando, Richard Donner, and Bryan Singer.]