By talking to users? I'm 100% sure Google and OpenAI know every major news story, in much greater detail, long before NYT publishes it.
I'd imagine they already have a database of users such that if multiple people talk about a possibly true subject they can ask subject experts; users related to the subject for clarification and further information.
I'd imagine they already have a database of users such that if multiple people talk about a possibly true subject they can ask subject experts; users related to the subject for clarification and further information.