Nielsen/NetRatings, the audience measurement service from Nielsen Media Research and NetRatings, understates Web traffic because the service measures only Internet access from home.
But according to Hitwise, another online measurement service, Google has already surpassed the 70percentt benchmark.
But Nielsen/NetRatings, the other major Web audience measurement service, ranks X10.com at No. 116.
The Nielsen Media Research audience measurement service said 89 million people watched the telecast for at least six minutes.
A leading online measurement service will scrap rankings based on the longtime industry yardstick of page views and begin tracking how long visitors spend at the sites.
Not surprisingly, however, the audience measurement service found that more people still use conventional dial-up connections operating at 56,000 bits a second.
That compares with 1.1 million in February, the first month the Internet audience measurement service tracked use of the Napster application.
A second Internet measurement service has released data indicating that computer users visited many Web sites of dot-com companies that advertised during Super Bowl XXXIV.
The first monthly data on Internet use in the 20 largest local markets from Nielsen Net Ratings, an Internet measurement service, show interesting variations among different parts of the country.
But William Pulver, chief executive of NetRatings Inc., the company that publishes the Nielsen/NetRatings measurements, argues that there are good reasons that a measurement service will count fewer people than a site's own computers.
About 500,000 to 800,000 people use Napster daily, or 1to2percentent of United States Internet users, according to Nielsen/Net Ratings, an Internet audience measurement service, though other experts say that estimate is probably low.
