Google is introducing the star rating system across a range of its products, Google Maps for Mobile, Google Search and Google Plus Local. Local search really needs a lot of attention going forward as SEO evolves and multi-device use increases.
We’re mapping individual ratings to the star system using the following framework:
Previous rating scale
Five star system
The changes will appear to some users today and will continue to roll out on Google Maps for Mobile, Google search results and Google+ Local in upcoming months.