Smartphones As "Digital Keys" Coming To Doors Near You

September 15, 2011 by  
Filed under Eco, Green

Photo by Keith Williamson via Flickr CC The dematerialization continues, right down to our keys. The plastic ID badges that people hold up to readers at doorways to get into secure areas could soon be replaced by simply holding up your cell phone. Plastic keys could become so last decade. … Read the full story on TreeHugger

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Smartphones As "Digital Keys" Coming To Doors Near You

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