A cautious approach to the powers of wearable computers. Zac Vawter's stands on his bionic leg after he arriving on the 103rd floor of Willis Tower, becoming the first person ever to complete the task wearing the mind-controlled prosthetic limb on Nov. 4 in Chicago. Performance-boosting drugs, powered prostheses and wearable computers are coming to an office near you — but experts warn sday that too little thought has been given to the implications of a superhuman workplace. (november 2012)
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