[简答题]

(46) We’re all too familiar with the concept of technology as a double-edged sword, and wire less is no exception. In fact, the back edge of this rapier is sharp enough to draw blood. Yes, the idea of shedding wires and cables is exhilarating: we can go anywhere and still maintain intimate con tact with our work, our loved ones and our real-time sports scores. (47) But the same persistent connectedness may well lead us toward a future in which our cell phones tag and track us like FedEx packages, sometimes when we’re not aware.
To see how this might work, check out Worktrack, a product from a California "mobile services’’ company Aligo. The system is sold to employers who want to automate and verify digital time logs on their workers in the field. The first customers are in the heating and air-conditioning business. (48) Workers have GPS-equipped cell phones that locate precisely their positions to computers in the head office

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