iPod. iPod smaller. iPod much smaller. iPod with a touch screen. iPod with a touch screen and phone. iPod with a touch screen, internet and much bigger. iPod wi

iPod. iPod smaller. iPod much smaller. iPod with a touch screen. iPod with a touch screen and phone. iPod with a touch screen, internet and much bigger. iPod with a touch screen, internet and slightly smaller. Some thinner, some fatter, some with cameras, some without. ;]