Here is something new With Yahoo! :
We’re adding support for the Meta tag called ‘NOYDIR’ that will complement the ‘NOODP’ Meta tag, which we already support. If you’re unfamiliar, the ‘NOODP’ Meta tag is basically a way for webmasters to indicate that Open Directory Project (ODP) titles and abstracts will not be used in search results for their pages. While we continue to pull from various sources to provide the best title and abstract for a given page in search results, we realize that webmasters may still want the ability to exclude titles and abstracts from the Yahoo! Directory. So, as promised, we’re providing support for ‘NOYDIR’ which will recognize the following Meta tags on your pages:
Source : Yahoo! Search Blog
Webmasters and Site Admins can have a sigh of relief as they were worried of the not-so-updated results that were shown in SERPs source being the existing directory (ODP) and submitted results are hard for frequent update.