When Wal Mart Flexes Its Cybermuscles...

Plans for a beefed-up Web site make E-tailers nervous

Everyone knows that to succeed in E-commerce, you've got to get in early, and big. Come late to the game, and you might as well pack it in. But Wal-Mart Stores Inc. is about to test that most sacred of Web rules. After three years of tinkering with its Wal-Mart.com site--and sitting back while others blazed new trails on the Internet--the discount retailing giant finally appears ready to flex some online muscle. And the betting in Silicon Valley and among shopping experts is that Wal-Mart could wind up dominating this retail neighborhood, too.

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