But he did learn a valuable lesson: Double-check the serial number on the box.

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The gunman used a semi-automatic pistol whose serial number had been scraped off, according to Sky TG24 TV.

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But one feature built into Intel's new chip is drawing flack from privacy advocates -- it contains a distinct serial number that others may be able to track.

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Each pair, made with 18-karat rose and white gold and a shard of metal from a scrapped AK-47, carries the serial number of that rifle and every pair sold pays for another 100 rifles to be destroyed.

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The limited Platinum Edition series products will feature an ultra-sleek mirror chrome finish, each with a distinctive plaque engraved with the production run and serial number to indicate its authenticity.

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Kai-Fu Lee and his Innovation Works are betting it does, and are funding a number of serial entrepreneurs.

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