ZipRealty and HouseValues both went public in the last 30 days and have created almost $800 million in investor value. They have the Internet to thank for their success, but also the coveted multiple listing service. ICNY 2020 ICNY2020. Real estate's premier event. Show Comments Hide Comments Comments Sign up for Inman’s Morning Headlines What you need to know to start your day with all the latest industry developments Sign me up Success! Thank you for subscribing to Morning Headlines.