yes it deletes everything on your ipod do not do it
iPod Touch software updates should not and do not delete everything.
When restoring your Ipod Touch the data on itunes doesn NOT get deleted. :D
Downgrading your iPod Touch should not delete anything.
You cannot delete the legal information in the settings on your iPod Touch.
It will delete music from iPod Touch, but the regular iPod i don't know about.
I have an iPod touch and when I delete applications the memory that it uses comes back. I used my iPod touch to type this.
Check Out www.apple.com They Will Tell You
veiw it and press delete
delete it from your library in itunes
First, you need to connect the iPod to iTunes. Then, click on the Music library that is under the iPod Touch menu. That is your iPod Touch's music, and just right mouse click to delete them.
Well, You either make a new account or you can delete everything you've got, or, you can re-register your IPod. Hope this helps!