Mobile advertising market is predicted to increase from $9.4 billion to 38.1 billion in 2018. The reason behind this is that ads being view on mobile phones are increasing and thus companies want to buy more advertising space on mobile websites. The increase in advertisements is due to the fact that society is advancing to using smartphones which allow the consumer to use the internet and thus are exposed to ads.

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Mobile Advertising Market to Top $38 Billion by 2018: Berg – eWeek