tour guide Erika Newman (right) shows off the ball pit in the human resources department of the company's Las Vegas headquarters. Zappos eliminated managers and embraced a system of self-governance known as holacracy. Sacramento Bee/TNS/Landov hide caption

toggle caption Sacramento Bee/TNS/Landov

The call center of gets high marks from consumers for strong customer service. Shashi Bellamkonda/Flickr hide caption

toggle caption Shashi Bellamkonda/Flickr

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