If a package needs a shipping label, the computer orders one via Bluetooth from a portable printer.

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Meanwhile, here in the US, a team from MIT has developed a portable 3D printer that's so small it fits inside a suitcase.

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The pop star demonstrated a portable photo printer she said she designed herself, which she carries in her purse, and a bulky pair of sunglasses with a camera built in.

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Rounding out the bunch is the Photosmart 375 Compact Photo Printer, which is a portable model meant for cranking out 4-by-6-inch prints while on the go.

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