A recent investigation by Inc Magazine has unearthed six reviews written by Amazon founder Jeff Bezos. It contains six reviews from timeline of 2000-2006. They offer an insight into the mind of the world's richest man (as well as what might be his grocery list) And guess what? You can still buy most of them.
Here are the reviews by jeff bezos himself
movie review
Product review
Book review
Book review
Book review
Daily Needs Product review