MailChimp's free reports tell you who opened and clicked, how many times your email was forwarded, overall ROI and more.
MailChimp makes it easy to integrate your campaigns with social networks, and find out who's liking and tweeting your emails.
MailChimp’s List Dashboard helps you analyze your list and tailor your campaigns to the people reading them.
Social Pro layers your mailing list with public social data, providing you with powerful new ways to engage your readers.