Amazon calculates a product's star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers and factors that establish reviewer trustworthiness.
The best selling book in the world is "Rich Dad Poor Dad", when i read by and by this book then my thought is gone change and given me happiness so i would like to say about Robert Kiyosaki....so thank you for gifting this book, god bless you
Really amazing book who want to becomes real rich. After reading this book any body can start investing without any risk and also understand to fundamental things of investing. Thanks Robert for this unique book.