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Street Talk: What Innovations Would Make Cities More Livable?

What innovation—technological or otherwise—would make any city a substantially more livable place? We put this question to urban leaders and our own readers. Here's what they said
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Scientific American

Cell-Phone Paradise

Communication is at the heart of the future. A future city would need to respond to people on a personal level. Our cell phones can become devices that are able to open the door to our home, pay for our bus and subway charges, make purchases at any store with a tap and a password, and give us unfettered access to the Internet.

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