Book excerpt: Each title in the highly acclaimed Opposing Viewpoints series explores a specific issue by placing expert opinions in a unique pro/con format; the viewpoints are selected from a wide range of highly respected and often hard-to-find publications.; This title addresses online etiquette (known as "netiquette") and ethics, addressing the relationship between the Internet and civility; whether cyberbullying is a serious problem; the etiquette and ethics of online relationships (including online dating; "Each volume in the Opposing Viewpoints Series could serve as a model not only providing access to a wide diversity of opinions, but also stimulating readers to do further research for group discussion and individual interest. Both shrill and moderate, th"