The year is 2002. It may be just three years from now, but in terms of Web years it's at least a paradigm shift away. Your cell phone rings and you answer it. On the other end of the line is your Web site with details on a real-estate contract, and it requires your immediate attention. The message is relayed in a monotone voice, but already the phone's LCD screen is filling with data and a menu is appearing to guide you through the salient points of the contract. Ultimately, you authorize the transaction and attach your digital signature. You've just purchased that dream property, contingent upon the sale of your current home.
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