![Mobile Device Use's Influence Over In-Store Retail Sales, 2012 & 2013 [TABLE]](http://www.emarketer.com/images/chart_gifs/172001-173000/172790.gif "Table - Mobile Device Use's Influence Over In-Store Retail Sales")
Data released in April 2014 by Deloitte broke down the influence of mobile device usage on in-store retail sales.
The research found that the use of mobile devices before or during in-store shopping trips influenced or helped to convert approximately $593 billion in US in-store retail sales in 2013—or 19% of total brick-and-mortar sales—compared with $159 billion in 2012. Read the rest at eMarketer.
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