What? That makes just about as much sense as saying
the internet is a series of tubes.
My music library is 32 gigs. I have a 32 gig ipod touch. Obviously I can't fit all my music on my touch, so Itunes encodes all the songs to 128-bit AAC to save space, making the 32 gigs worth of music only take up 19-20 gigs. and the 12 hours wasn't an estimate, thats how long it took the last time.
About cydia, cydia is a repository for installing 3rd party apps for a jailbroken ipod. Think of it like an appstore. Stuff like winterboard (for themeing), Bossprefs for tweaking features, wi-fi hotspot scanners and alot more.
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