...being challenged by mall portals like Yahoo! Shopping, which have bolstered their price-comparison features, said Sean Kaldor, vice president of e-commerce at Nielsen/NetRatings. And for the past five months, auction site eBay has been...

...growing dramatically each day due to cheaper access, making it possible for the mainstream consumer to log on," said Sean Kaldor, vice president of e-commerce at NetRatings Inc. However, Kaldor added, the declining number of Web sites visited...

...personal-computer prices and competitive rates for high-speed Internet access are driving demand for Internet access, Sean Kaldor, NetRatings Inc.'s vice president of e-commerce, said in a statement. "Internet access is growing dramatically...