Every day, millions of users log on to their favorite online forums and interact with others to get advice and discuss everything from the latest news and trends to their hobbies, professions, and whatever else strikes their fancy. Admin-istrators have to lead these communities, deal with difficult users, and choose moderators. Legal constraints, spammers, and technical issues can turn the excitement of running an online community into chaos. With the right guidance, however, running forums can be a pleasure. Patrick O'Keefe has spent years developing and managing online communities. Now, he...