The radio is 110 years old this year and the microprocessor just under 50. As these two technologies move ever closer together, with wireless capabilities now being put on computer chips, something exciting is happening. All the benefits of the computing world≈innovation, short development cycles and low cost≈are being extended to wireless communications. As a result, a myriad of hitherto separate objects are becoming connected to networks, from televisions and cars to industrial machinery and farmland. Tiny devices are even being placed into the human body to perform useful tasks. The new technology enables control to be exercised from a distance and lets different devices interconnect to do something new .
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