Can users of what is essentially privatized social infrastructure really log off?
Read MoreHe had opportunities to help the working class, and he passed them up.
Read MoreAlthough Amazon has clocked staggering growth, it generates meager profits, choosing to price below-cost and expand widely instead. Through this strategy, the company has positioned itself at the center of e-commerce and now serves as essential infrastructure for a host of other businesses that depend upon it.
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