“Your brain tells you ‘Hey, I got this from three different sources,’ ” she says. “But you don’t realize it all traces back to the same place, and might have even reached you via bots posing as real people. If we think of this as a virus, I wouldn’t know how to vaccinate for it.”

Starbird says she’s concluded, provocatively, that we may be headed toward “the menace of unreality — which is that nobody believes anything anymore.” Alex Jones, she says, is “a kind of prophet. There really is an information war for your mind. And we’re losing it.”

...

Starbird sighed. “I used to be a techno-utopian. Now I can’t believe that I’m sitting here talking to you about all this.”