MailChimp helps you design email newsletters, share them on social networks, integrate with services you already use, and track your results. It's like your own personal publishing platform. "
"ExactTarget is a leading global provider of email marketing and cross-channel interactive marketing software-as-a-service solutions that empower organizations of all sizes to communicate with their customers through email , mobile, social media, and websites . ExactTarget's powerful suite of integrated applications enable marketers to plan, automate, deliver, and optimize data-driven interactive marketing and real-time communications to drive customer engagement, increase sales, and improve return on marketing investment. Headquartered in Indianapolis, Indiana with offices across North America and in Europe, South America, and Australia. ExactTarget trades on the New York Stock Exchange under the ticker symbol "ET." "