My Grandfather recently recalled that when he was a young man, getting out to vote usually meant that workers for each political machine went out and twisted a few arms. He was reflecting on the fact that in the final decade of the Twentieth Century, the computer had revolutionized the way politicians get people to vote for them. Both the Republican and the Democratic parties are increasingly basing their strategies on computer analyses. In a recent campaign for president, one election committee asked a computer to match the names of all registered drivers against the names of all registered voters in a particular State. The result was a list of unregistered voters, which was further analyzed so as to identify those people most likely to