Before the internet, we didn't have access to presidential campaigns' regional advertising unless it made the evening news. Now, it's all pretty much always available everywhere immediately. This ad demonstrates why President Obama's polls have been so strong, relatively speaking, in Ohio pretty much all summer and fall:

That bit where the woman puts words in Romney's mouth is just a tiny blink-and-you'll-miss-it moment, but it's so important to the makeup of the ad.