Since public relations is what one does, this qualifies as smart PR. Google is putting its data and analytical engines at the service of people thinking of installing solar panels. One need only plug in the required constraints and the calculator does the rest. One can figure out how many years it will take to pay back the installation, whether purchased or leased. And, if installation makes sense for a home, Google will refer the user to a solar company that can do the job. It is hard to criticize a company that makes the lives of consumers easier. Google does so much that is positive, it is a wonder that it has continuous trouble with the European Union.