Yahoo Gets Set To Give Google Run for Money.

Reports on the efforts of Yahoo Inc. to pass Google Inc. as the Internet's leader in search technology. When Yahoo expects to switch from Google's search technology to its own; Changes to be implemented by Yahoo in their search technology; Discussion of the relationship between Yahoo and merchants that pay Yahoo to be included on its site and part of its search results; Comments from Jeff Weiner, Yahoo's senior vice president in charge of its search and marketplace services, regarding their business strategy designed to take over Google's dominance.