Google today announced that you can now ping their blog search service to let them know when you’ve updated.
You can manually ping it here or do it automatically if you’re a WP user by adding http://blogsearch.google.com/ping/RPC2 to your ‘update services’ (under options/writing).
They will continue to watch other ping services so if you’re already listed in blog search you’ll probably be fine but it never hurts to ping them directly.
