Although independent web-hosting companies in the United States can legally close down hatesites, there is a healthy tradition of free speech on the Internet.
PopOff: For-profit Web sites will hate you, but if you use this free utility it will shut down pop-up advertisement windows before they get in your way.
Only a small minority of teens who use the Internet have ever seen Web sites that have information from hate groups, show how to build a bomb or buy a gun.
Belfast Council said some campaigners had inundated the council's social networking sites and embarked on an online hate campaign against individual members of staff.