Have family debates on hate literature and what it means, for instance. Limit on line time to specific times of day. Web addiction is a very real thing in adults as well as children. For young children you may want to use filtering software. There are various softwares that can be imployed to filter out what some parents may find objectionable.
Net nanny offers a free trial of their software.
Also their site has links to great and safe kids pages. Any site that focuses on topics such as adult or sexual issues, illegal activities, bigotry, racism, drugs, or pornography are included in the list. Cyber Patrol Claims to be the most used home filtering software. RSACi - Home Page Websites register with this group. More information for parents.