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Do I have to have iTunes running to charge my iPod Touch? I mean, can't I just turn on my computer and have the USB port just charge the silly thing? All my other devices work like that; why does Apple have to be such a prima-donna?
You pretty much self-answered the question but, in any case and for future reference:
You don’t need iTunes to charge iPhones/Pads/Pods. iPhones come with a wall-pluggable charger that also happens to charge the other members of the family.