New Gadgets for High-Tech Apartments

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A Samsung Family Hub fridge in a co-op at 315 East 88th Street has three cameras that can let homeowners know which groceries are in short supply. A mobile feed from the refrigerator can be transmitted to phones to make shopping easier.

Karsten Moran for The New York Times

New Gadgets for High-Tech Apartments

To stand out from the crowd, some new buildings have added amenities like fridge cams and robotic valets.