Check out this article from TechCrunch — Having a mobile friendly site has never been more important. THYNKgroup will redesign your company website to meet Google’s new ranking standards.
"If your site isn’t easy to use on mobile, Google penalizes it by ranking it lower on its mobile search results pages."
As the company noted when it first introduced this as a ranking signal last year, the basic idea here is to give mobile users a better search experience.
