The best is to ignore Yahoo. Yahoo has entered a partnership agreement with Microsoft and will soon start to use powered with Bing results.
I need to Discussion about the following topic. Please help me with it.
When one person is doing SEO for google and his site come up in google ranking in that time the yahoo ranks also get improved. but it do not come at top 10 or in top 5. So any one can discuss about the best procedure to do SEO in which the rank will increase with google in yahoo also.