You've imported your list, created your campaign, written smart, unspammy content, and sent it to your subscribers. Now what? Take a look at your MailChimp reports to help you analyze your campaign's performance and make notes for next time.
Click the Reports tab and then on the title of your campaign.
On the Overview page, you can see how many people opened your email, unsubscribed, clicked your links, forwarded, Liked on Facebook, and much more.