Cambridge, Massachusetts
IN March, Mark Zuckerberg visited Mother Emanuel in Charleston, South Carolina, an African Episcopal Methodist church that was the site of a mass murder by a white supremacist. Last month, he went to Dayton, Ohio, to sit down with recovering opioid addicts at a rehabilitation centre. And he spent an afternoon in Blanchardville, Wisconsin, with Jed Gant, whose family has owned a dairy and beef cattle farm for six generations.
These were all stops along a road trip by Mr Zuckerberg, Facebook's chief executive, across the United States this year. His goal: to visit every state in the union and learn more about a sliver of the nearly two billion people who regularly use the...