Through expert guidance backed by years of experience, the second edition of this practical guide provides you with more than 100 patterns, principles, and best practices for creating user interfaces that will make your social websites truly effective. Creating a social website to foster user interaction and community building is a core skill for developers and designers, but grasping the nuances of the social web is much harder than it appears. Now you have help. In this edition, Christian Crumlish and Erin Malone share hard-won insights into what works, what doesn&x2019;t, and why. You&x2019;ll learn how to balance opposing factions and grow healthy online communities by co-creating them with your users. New content includes valuable information on mobile and enterprise sites.