If you’ve ever Googled something like “best tacos near me” and picked the place with the most stars and the most people raving about their salsa, congratulations, you’ve helped shape the internet. Reviews aren’t just a nice-to-have anymore; they’re baked into how...

You’d think 4.2 stars would be enough to impress someone. It’s a solid B-plus. That’s a “your kid’s doing great” kind of number. But online, 4.2 doesn’t always cut it. In fact, when it comes to consumer behavior, 4.2 might as well be a shrug. It’s not bad, but it...