3. Advertising.

Amazon is getting more aggressive in the advertising business. It sells products ads on its site and is ramping up its video ad offerings, according to an article on recode.net, a spinoff of the AllThingsD blog by former Wall Street Journal reporters Walt Mossberg and Kara Swisher.

The head tracking technology reportedly in Amazon's smartphone could allow it to better determine where people are looking on a screen and if they see an ad. The technology could determine the effectiveness of advertising better than pay-per-click, enabling Amazon to charge a higher premium for its ads.

$AMZN If they use cameras in the front to track users heads for 3d effect, why not track for time spent looking at ads etc

? Matthew (@Rolltidetrader) Jun. 5 at 08:00 PM

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At the time of publication, the author held no positions in any of the stocks mentioned.

This article represents the opinion of a contributor and not necessarily that of TheStreet or its editorial staff.

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