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Teleconferencing has made telework more common. E-commerce has reduced the need to drive to the mall. Real-time arrival apps have made public transit more predictable. Solar-powered stations have helped bike-share expand. WiFi and smart phones have made it possible to get work done on a moving bus, raising the mental cost of driving alone. And social media, for some people, has reduced the need to travel across town to see a friend you might more easily connect with on Facebook.
