The CEO isn’t just focused on solving problems with Google. As an example, the Times notes that in some meetings, a conversation about how Google’s data centers operate might lead to talk of how much the company pays for power to run those facilities. From there, Page might start investigating ways to make the power grid run more efficiently to save money not just for Google, but for everyone.

http://9to5google.com/2014/10/31/larry-page-talks-mission-statements-solving-mankinds-problems-and-more-in-wide-ranging-interview/