US Proximity Mobile Payment Transaction Value, 2011-2016 [CHART]
Mobile devices should be seen both as marketing tools and as a new way of collecting sales. eMarketer projects that proximity mobile payments in the US are set to explode, growing from $2.12 billion in 2013 to $62.24 billion in 2016. Read the rest at eMarketer.
http://www.emarketer.com/Article/How-Wi-Fi-Affect-Mobile-Shoppers/1009728