If I'm interested in a book, I tend to read user reviews. A "351 people said this book is great" note won't help me much. I do the same thing for electronics. A

If I'm interested in a book, I tend to read user reviews. A "351 people said this book is great" note won't help me much. I do the same thing for electronics. And most other things too, when the number of choices isn't very limited already, come to think of it.