Barry Ritholtz, Columnist

Woe to Those Disrupted by Amazon

The company spots and exploits market inefficiencies that provide profits for other businesses.

The logo finally makes sense.

Photographer: David McNew/getty images
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What is Amazon.com Inc., exactly?

If you answered “an online book retailer,” then you haven’t been paying attention for like, oh, the past decade or so. What seems like a straightforward question is actually a much more complex and surprising inquiry than you might have guessed.