![Global Mobile In-App Ad Spending, 2013 & 2018 [CHART]](http://www.emarketer.com/images/chart_gifs/168001-169000/168036.gif "Chart - Global Mobile In-App Ad Spending")
This type of activity puts into perspective recent figures from Juniper Research. In January 2014, it predicted that mobile in-app ad spending worldwide would explode from $3.5 billion in 2013 to $16.9 billion by 2018. In-app advertising, it seems, is very much in fashion. Read the rest at eMarketer.
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