in my interviews with rank and file Amazon employees, one common complaint I heard is that positive feedback from superiors is rare and promotions even rarer. This, it turns out, is probably by design. Amazon Chief Executive Officer Jeff Bezos believes his managers must raise the performance bar with every hire and promotion and that only exceptional talent should progress within the organization. As he has done in so many other ways, Bezos has codified his beliefs within his company in the form of a custom called the OLR, for organization and leadership review. READ The full blog post here on Businessweek.com.