Source: Highlights Unearthed by inc.com`s contributing editor Billy Murphy Jr, the old reviews by the world's richest man are genuine and are given five stars, which is the highest score for a review on the e-commerce platform. Bezos is touted as Amazon`s 78,951,609th-ranked reviewer. Before Jeff Bezos became a multi-billionaire, he used to write product reviews for Amazon and over a period of six years between 2000 and 2006, he reviewed non-fiction books, a novel, a movie, binoculars and even milk. Unearthed by inc.com`s contributing editor Billy Murphy Jr, the old reviews by the world's richest man are genuine and are given five stars, which is the highest score for a review on the e-commerce platform.