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IPod
boxy, white plastic stainless steel gadget about the size of a deck of cards with a small, black-and-white screen and a FireWire port on top -
IPod 2G
touch sensitive scroll wheels and a wired remote -
IPod 3G
stunning enclosure that is lighter and thinner than two CDs.
The solid-state, no-moving-part controls were sleek, but Apple eventually discontinued them in favor of a "click" wheel that provided more feedback -
IPod Mini
The iPod mini came in five colors silver, gold, pink, blue, or green anodized aluminum ,click wheel -
IPod Shuffle
no screen, smaller and lighter than a pack of gum and costs less than $100 -
IPod Nano
Thinner, thinner than a standard #2 pencil -
Nike+iPod
outfitted with a special wireless receiver
