Which may or may not be the case.
Wired News: Watchdogs Spot E-Vote Glitches
blackboxvoting.org files Freedom of Information Act requests on voting records
Edit 041103 14:00:
One thing that is very strange is how much the exit polls differed from the final results, especially in Ohio. Remember that Ohio uses Diebold voting machines in many areas. These machines have no paper trail. Early in the campaign, Diebold CEO Walden O'Dell, a GOP fundraiser, promised to deliver Ohio to Bush. He later regretted having said that.