Kerry, Bush crowd mailboxes, both real and cyber, in a push to win votes and funds.

By Paul Barbagallo

What’s more, the GOP began working on its integrated national-voter database as early as 1990, giving it a considerable edge in reaching core constituencies through the mail. But the Democrats caught up in 2002, when they introduced their DataMart, a national database similar to the GOP voter file that includes voter history, U.S. Census data, commercial behavior and geographical information.