You need to be updated. If you have Yahoo SM account your ads would appear in Bing already. Instead of just running up post count with your sig link try getting your knowledge in SEO better.
Hello, In simple terms, Microsoft will now power Yahoo search while Yahoo will become the exclusive worldwide relationship sales force for both companies' premium search advertisers," the companies said in a joint statement. The deal is expected to go into effect in 2010 and improve Yahoo's profitability, though not its revenue, the companies said.