Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
I have been keeping a gratitude journal for five years everything about my life has changed for the better dramatically and to the extreme since keeping this journal. Gratitude is just one of the tips Katie offers in this wonderful book. Definitely worth a read she has the right ideas the concepts in this book have turned my Ife around.