Everything in moderation: YouTube
Susan Wojcicki, YouTube’s chief executive, tells our correspondent that moderating the streaming giant’s content is her biggest challenge. No wonder: every minute, 500 hours-worth of it is added. Also, how West African research is being used to address gun violence in Chicago. And a look at the declining number of royal families, and why some that have survived will stick around. See acast.com/privacy for privacy and opt-out information.
