How Many Web Sites Are Porn? Feds Count

About 1 percent of Web sites indexed by Google and Microsoft are sexually explicit, according to a U.S. government-commissioned study. Government lawyers introduced the study in court this month as the Justice Department seeks to revive the 1998 Child Online Protection Act, which required commercial Web sites to collect a credit card number or other proof of age before allowing Internet users to view material deemed "harmful to minors."