Some engineers at Yelp and TripAdvisor built the Focus on the User - Local widget as a side project. This widget is a collaboration among local search companies designed to educate consumers and policy makers about consumer harm brought about when Google+ is artificially promoted in local search.
See further information at http://focusontheuser.eu/
This work (focus on the user - local, by engineers at TripAdvisor and Yelp), identified by Focus on the user - local, is free of known copyright restrictions. It is adapted from an earlier project by the same name, which was, as far as we can ascertain, free of any known copyright restrictions.