According to the study "Global Mobile Advertising Revenue 2013 - The State of Mobile Advertising Around the World" by IAB Europe, U.S. IAB Mobile Marketing Center of Excellence and IHS Technology, revenue from mobile advertising amounted to around EUR 14.6 billion worldwide in 2013, an increase of 92% compared to 2012. According to the study authors, mobile display advertising recorded the strongest growth of around 123 percent.
The trend suggests further strong growth in the display sector in Europe.
Source: "Global Mobile Advertising Revenue 2013 - The State of Mobile Advertising Around the World", August 2014, IAB Europe, U.S. IAB Mobile Marketing Center of Excellence and IHS Technology, Daniel Knapp, Director Advertising Research, IHS