In this video, Matt Cutts answers the question,
“Does a site leveraging responsive design “lose” any SEO benefit compared to a more traditional m. site?”


Read their guidelines for mobile-optimized sites:
https://developers.google.com/webmast…

Have a question? Ask it in their Webmaster Help Forum:http://groups.google.com/a/googleprod…

Want your question to be answered on a video like this? Follow them on Twitter and look for an announcement when they take new questions: http://twitter.com/googlewmc

More videos: http://www.youtube.com/GoogleWebmaste…
Webmaster Central Blog: http://googlewebmastercentral.blogspo…
Webmaster Central: http://www.google.com/webmasters/