Hi, I couldn't figure out how to word this question to google it, so I thought I'd ask here instead. As I've recently bought an ipod touch, I'm trying to sell my ipod video on ebay. Today I got a question from someone asking for the serial number. It doesn't make sense to me that they'd need this...is there any valid reason they'd be asking for it, or is it a hoax? Thanks, and sorry if I've asked something that's been covered somewhere!