[freeopinion]

This doesn't just apply to physical merchandise. And it isn't new. Isn't this the whole point of sites like yelp? Or Fox News? Whether you need a good auto mechanic or good mayor. Or if you want to know if a movie is worth paying for or whether paper bags are bad for the environment.

"How to verify any claim" has to become a formal subject like math and reading to be taught in stages over several years. It has to have real homework problems to practice different strategies. But in the end, do we come up with different ratings or logic categories to say this particular question is fifth degree hard to get right? Can we identify the elements that build trust? Does it help in poker if you know another player's family? Does it help in voting for student body president if they previously served as class president? Is it better to buy a blender from the same company that made your favorite dishwasher? Can you take a chance on a newcomer if they don't speak your language or have your accent? What if some claim hasn't been published in a peer-reviewed journal I recognize?