You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product?
Review title: You've got to be kidding
Product review: The 5-star reviews this book has must be from friends of the authors. The many 1-star reviews are much more realistic. This book does not come close to addressing the topic at hand, and the examples are awful. Don't even waste your money...
