resources. this might go back to the, you know, that old strategy for winning in iowa, that grassroots is what really matters here in order to win this state. that tv advertising, big budgets, big buses with your name plastered across it, that doesn't always mean everything in this state, wolf. >> he worked the hardest. there's no doubt about that in iowa. he was the first to visit all 99 counties and spent an enormous amount of time with limited resources there. let's go to anderson cooper and ali velshi. they're monitoring social media. what do you see? >> we're talking about where the biggest buzz is online. >> at the risk of sounding like a big nerd, i've been following this very close my. >> wouldn't be the first time, ali. >> i hear you. we're bogging down, actually. we're getting 14,000 to 15,000 tweets per hour that are naming one of the candidates. the colors here correspond to various candidates. all night and most of the day, with the exception of a few minutes, ron paul has been on the top. this is the total number of tweets in the last hour that have named ron paul.