The Yahoo! and Microsoft Search Alliance combines the complementary strengths of Yahoo! and Microsoft to create a competitive choice in search with the scale to fuel sustained development.
Both companies aim to ultimately enable searchers to find relevant results faster, and provide more value for advertisers and better results for web publishers.
If you look for more information (Q&A, Press Coverage, …), just go to this following site : http://www.searchalliance.com/home
More information will be available later today, on this site.