Zuckerberg’s goal: Remake a world Facebook helped create

Mark Zuckerberg helped create the modern world by connecting nearly a quarter of its citizens to Facebook and giving them a platform to share, well, everything — baby pictures and Pepe memes, social updates and abusive bullying, helpful how-to videos and live-streamed violence. Now he wants to remake it, too, in a way that counters isolationism, promotes global connections and addresses social ills — while also cementing Facebook's central role as a builder of online "community" for its ...