5 Key Steps to Take Advantage of the New Ranking Model on Yahoo

1. Include keywords in your ad (use our Insert Keyword feature).
2. Choose keywords for each ad group carefully.
3. Use ad testing.
4. Use our Excluded Keyword feature to optimize your Advanced match type.
5. Review your current bids and set a campaign budget to meet your business goals.

But Google already apply it on their search rankin algoritme