Vote McCain in 2008!
writes "McCain's campaign is doing everything it can to erase Obama's online advantage, this time they ambushed Obama by detecting edits to his website when he updated some of his policy positions. This isn't the first time the Republicans have shown up the Democrats with their web savvy — you may remember the previous reports about the Republican Web 2.0 Consultants and their online campaigning game. This just proves that old Republicans can learn new tricks."
Assuming the spider adheres to robots.txt, this is clever and well done.