between toughness and a toxic environment? >> well, toxic environments don't retain talented successful people. amazon is loaded with talented and successful people. although their turnover as been cited as high, that's a characteristic of high-performance companies. >> and not to mention, amazon has some success going for it, when you look at the numbers themselves. they have recently eclipsed walmart in terms of market valuation and they are on track to expand to 50,000 employees in the next three years or so. so they must be doing something right. >> the company didn't exist 20 years ago. the company today is one of the most important, powerful forces, almost a force of nature in the retail industry and in related businesses that they have found, like cloud services. they are going to be an extraordinary paradigm shifter for consumers for the