Roam alone

摘要

Focus Is there a way for children to browse the Internet without being exposed to pornography, bad language and other unsuitable material? The hunt is on for a technical fix Parents who have trouble preventing their children watching unsuitable television programmes should spare a thought for those whose kids surf the Web. Of the 200 000 or so commercial—as opposed to academic or personal—Web sites that are accessible via the Internet, up to 6000 are sex-related. Hundreds more advocate drug use, deny that the Holocaust occurred or provide information on how to build bombs. These sites are every parent's nightmare, for short of monitoring their children as they browse, they are virtually powerless to block them out.