Survey: Book Reviews

This is a survey to help determine the most important factors that discourage readers from leaving book reviews at Amazon. 

Question Title

* 1. Please rank the following by how well they describe your reasons for not leaving an Amazon review for a book you've read.

  Not even close. Er, maybe but I'm not sure.  Sometimes. That sounds about right.  Yes! That's exactly why I don't leave reviews on books I've read.
I didn't enjoy the book.
I just never think about leaving a review.
It's too much of a hassle/I'm too busy.
I don't know what to write.
I don't feel qualified to write a review/nobody cares about my opinion.
It's nobody's business what I think of a book.
I'm afraid Amazon will track my activity and use that information for evil.
I thought I had to buy the book from Amazon to leave a review.