Google has today revealed a new search
service aimed directly at blogs. It uses a blogs RSS or ATOM feed to gather
details from entries for indexing. To get into the blog index you just
need to ping the WebLogs interface every time you publish a new story.
From the ‘About Google BlogSearch’ page
If your blog publishes a site feed
in any format and automatically pings an updating service (such as Weblogs.com),
we should be able to find and list it.
If your using Blogsphere for your blog
then there is a built in feature that will ping the Weblogs.com list for
you. In the main blog configuration on the Story Setup page you should
see the option for the Weblogs Ping. Set this to ‘Always’ or ‘Ask’ and
then when you create a new blog entry Blogsphere will automatically inform
the Weblogs.com list that your site has been updated.