An online feud between two "beauty influencers," James Charles and Tati Westbrook, has racked up tens of millions of views on YouTube this week. Maybe you've never heard of them, but plenty of people have, and, according to Washington Post internet-culture reporter Abby Ohlheiser, this world is more influential than you might think: "Whether you like it or not, the future of entertainment and the future of industries touched by robust online communities ? are being shaped and changed by what's happening right now on these platforms."