In-App Ads Will Reach $7.1 Billion by 2015

In-app advertising set to hit $7.1 billion by 2015: In-app advertising will total $2.4 billion this year, and $7.1 billion by 2015, driven by greater use of rich media, according to mobile marketing analysis company Juniper Research. North America and Western Europe will account for 60% of total advertising spending by 2017.