In a largely unregulated social media ecosystem, a curious mom looking for info about vaccine mandates in public schools can end up feasting on the internet’s most insidious — and outlandish — conspiracy theories. Stanford researcher Renée DiResta joins Will and Siva to grapple with the tangled web of QAnon, antivaxxers and more. If the Jan. 6 riot in Washington is any indication, what starts in chatrooms doesn’t stay in chatrooms. And the real-world consequences of the virtual Wild West can be disastrous.