Amazon lays foundation for giant video advertising business

Jason Del Rey
Jeff Bezos
Getty Images

In many ways, Amazon's advertising business still remains a mystery. The company doesn't break out the size of it in its earning reports, and Amazon exec presentations on it at industry events are often low on details.

But, for what it's worth, research firm eMarketer estimated in the summer that Amazon's ad revenue would top $800 million in 2013

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By Jason Del Rey,

CNBC's parent NBC Universal is an investor in re/code's parent Revere Digital, and the companies have a content-sharing arrangement.