eHarmony is the first service within the online dating industry to use a scientific approach to matching highly compatible singles. eHarmony's matching is based on using its 29 DIMENSIONS® model to match couples based on features of compatibility found in thousands of successful relationships. eHarmony is committed to helping singles find love every day, and with over 20 million registered online users, we are confident in our ability to do so. The eHarmony Compatibility Matching System® matches single women and men based on 29 Dimensions® of Compatibility for lasting and fulfilling relationships.