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Its 10 p.m. You may not know where your child is. but the chip does. The chip will also know if your child has fallen and needs immediate help. Once paramedics arrive ,the chip will also be able to tell the rescue workers which drugs little Johnny or Janic is allergicto.At the hospital,the chip will tell doctors his or her complete medical history. And of counse ,when you arrive to pick up your child , settling the hospital bill with your health insurance policy will be a simple matter of waving your own chip -the one embeddedin your hand . To some ,this may sound far-fetched .But the technology for such chips is no longer the stuff of science fiction,And it may soon offer many other benefits besides locating lost childen or elderly Alzheimer patients. Down the line ,it could be used as credit cards and such ,says Chris Hables Gray , a professor of cultural studies of science and technology at the University of Great Falls in Montana,A lot of people wont have to carry wallets anymore ,he says,what the implications are for this technology,in the long run,is profound. Indeed, some are aleady wondering what this sort of technology may do to the sense of personal privacy and liberty. Any technology of this kind is easily abusive of personal privacy.says Lee Tien,senior staff attorney for the Electronic Frontier Foundation.If a kind is trackable,do you want other people to be able to track your kid?Its a double-edged sword. | 
