I’d add a third metric: reputation of the reviewer. Yelp is full of glowing 5 star, and damning 1 star reviews from people who only ever write that one review.

I’d add a third metric: reputation of the reviewer. Yelp is full of glowing 5 star, and damning 1 star reviews from people who only ever write that one review. They tend to be short, one or two sentences, and once you start looking they’re everywhere. Reputation can mean a lot, beyond just knowing who someone is.