eMarketer expects the retail industry’s share of the total US digital advertising pie to decline slightly, from 22.3% in 2013 to 22.0% in 2017. Read the rest at eMarketer.
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![US Online Ad Spending Share By Industry, 2011-2017 [TABLE] Table - US Online Ad Spending Share By Industry](http://www.emarketer.com/images/chart_gifs/157001-158000/157350.gif)