By Caitlin Dewey, The Washington Post

In an interview last month about Facebook’s recent push into live-streaming video, chief executive Mark Zuckerberg repeats the word “raw” as if it’s some kind of sacred totem. Facebook Live is “raw and visceral,” he says. It’s this “new, raw” way to communicate.

Zuckerberg doesn’t seem to realize that, when it comes to online video, “raw and visceral” - from viscera, which literally means guts (!) - can be a very bad thing.

In the weeks since, a woman live-streamed her suicide, a teenager broadcast her friend’s rape, and a man...