Heroku users, or would be Heroku users, interested in using the graph database Neo4j will be happy to know that an addon that lets Neo4j talk to Heroku apps is now in private beta. All registered Heroku beta-testers can access the addon now.
You can find instructions on using the addon here, more information is available here.
Heroku, a platform-as-a-service hosted on Amazon Web Services, has been rolling out new features, such as support for Node.js and Clojure.