Parsing Ad Spending

Nielsen's analysis of advertising by the McCain and Obama reveals a few interesting factoids.

The top three states in terms of advertising units are the same for both campaigns - Florida, Ohio, and Pennsylvania.

"Obama’s advertising continues to be heaviest in Florida, where he ran 18,909 ads between October 6 and October 26, outpacing McCain’s 5,702 ads by 232%. "

The bottom three (swing states) feature two states that are common - Georgia and Missouri.