Search engines like Yahoo and Google have spawned bidding wars among a growing number of marketers who want to place their ads next to search results. That is a beautiful thing for Yahoo and Google, of course, but in the long term, some analysts think it could haunt them.

Wal-Mart Stores, the world's No. 1 retailer, on Tuesday said it launched clothing lines on its Web site, walmart.com.

Spam might be big business for junk e-mailers and spam-fighting companies, but something is shrinking: the number of anti-spam vendors.

Xbox Live, the online service that allows players of Microsoft Corp.'s Xbox video game machine to compete against each other over the Internet, reached 1 million users, the world's largest software maker said on Thursday.

AT&T Wireless Services Inc., the third-largest U.S. mobile operator, on Thursday said it was on track to launch a high-speed Internet service for mobile phones this year, and sources close to the matter said the roll-out would begin in four markets early next week.

Although the identity theft bill signed by President Bush Thursday includes mandatory jail terms for those who use a stolen identity to commit a felony, the new law does not criminalize the notorious Internet act of "phishing." U.S. Senator Patrick Leahy wants to change that.

More companies and consumers, especially in urban areas, are tapping into VoIP. That's shorthand for "voice over Internet Protocol," which is nothing more than industry lingo for a simple but extraordinary concept: using the Internet to make telephone calls.

As part of its ongoing investment in search technology, Microsoft has acquired Lookout Software, a two-person company specialized in e-mail and desktop search.

Online auction powerhouse eBay (EBAY) has entered the booming digital music download marketplace, but not with used MP3s.

Despite concerns that the country's economic recovery may have hit some speed bumps, visits to employment Web sites rose sharply in June, Internet audience measurement service Nielsen NetRatings said on Friday.