Great explanation of the Publicize feature found in Jetpack. Also instructions on how to connect Facebook, Google+, and Twitter accounts.
Originally posted on WordPress.com News:
While there’s no exact science to successfully building a readership, you have a number of built-in tools on WordPress.com to share your work with the world. Our advice? Hook up your various social accounts to WordPress.com and let us do the rest. We want to emphasize, especially to our newest users, that no blog is an island. Clicking Publish is just the first step, and sharing your work across the internet is key to expanding your audience.
What is Publicize?
With Publicize, you can automatically push out your new posts to social networks: Facebook, Google+, Twitter, LinkedIn, Tumblr, and Path.