Samuel Greengard is a business and technology writer whose work has appeared in Wired, Entrepreneur, CIO Insight, and other publications. He is the author of Finding the Work You Love and The Internet of Things.
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We turn on the lights in our house from a desk in an office miles away. Our refrigerator alerts us to buy milk on the way home. A package of cookies on the supermarket shelf suggests that we buy it, based on past purchases. The cookies themselves are on t... SEE MORE