Does the use of schema.org markup create a ranking benefit?

I know that rich snippets can increase CTR for my mention on a SERP. But is the use of schema.org code beneficial for my actual positions on the SERPs as well? Quincy, Rotterdam Have a question? Ask it in our Webmaster Help Forum: groups.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com More resources for webmasters: www.google.com