The right to privacy is the right of individuals to determine, within reasonable limits, the extent to which they are known to others. Over the last twenty years the enormous increase in the amount of personal information on citizens maintained in government record-keeping systems has led to increasing public concern for information privacy. Computer technology has contributed to the collection, preservation and use of massive bodies of highly detailed personal information documenting individual characteristics as well as a broad range of social transactions. Automated record-keeping systems permit the linking of personal information from a wide variety of government data banks, a capability which, civil libertarians fear, is vulnerable to ...