Google has launched its 80th official blog Google Social Web Blog.
"Google are launching this blog for anyone interested or involved in helping to make the web more social. Whether you own a site and want to add social features to increase community engagement, or you're developing a great social application, this blog is for you.
Google will write about social initiatives within Google, such as Google Friend Connect, as well as community efforts like OpenSocial. We plan to share some success stories, present tips and tricks, provide updates when there are new developments, and much more." - Google