What drives many to rebuild their existing Web sites to be responsive and mobile-friendly are justifiable concerns about user experience and search engine placement. After all, the need to make Web pages look and act right on small mobile devices has only intensified as more and more people spend proportionately more of their Internet time on those devices. And then there’s Google, who, on April 21, 2015, started boosting the ranking of mobile-friendly pages on mobile search results. Yet it is a side effect of this rebuild process that may turn out to be the best reason of all to undertake it. In this article I share the insightful and unsolicited comments of a client with whom I am rebuilding his Web site to be responsive and mobile-friendly.