"Anybody can express an opinion on a blog or any other outlet and there's no system of verification or double-checking, you just say whatever you want to and it

"Anybody can express an opinion on a blog or any other outlet and there's no system of verification or double-checking, you just say whatever you want to and it gets magnified. It's just kind of a bizarre world in which one person's opinion counts as much as anybody else's." Are any start-ups or companies working on this problem?