Caterina Fake walks through life using her cell phone to snap photos of whatever strikes her fancy, whether it's her husband's unshaven mug, her new co-workers at Yahoo or, most often, Dos Pesos, her anxious little dog.

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Two giggling young women roll up their sleeves as Motsepe signs their arms with a black marker, smiling while admirers snap photos with cell phones.

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Of course, it would be a snap to simply design cell phones with plugs for external digital cameras.

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Families gathered together to slide on the slippery slopes, using their cell phones and digital cameras to snap pictures of each other playing in the snow.

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Called the IN Cell Analyzer, it allows scientists to snap a picture of whole, live cells--the better to learn how a compound might act within the body.

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