InMobi Mobile Insights Report April 2011: North American Mobile Ad Market Up 17% Driven By 37% Increase in Smartphone Ads

SAN MATEO, Calif., May 16, 2011 /PRNewswire/ -- Today, InMobi, the world's largest independent mobile ad network, revealed its monthly network data analysis findings in its Mobile Insights Report: North American and Global Editions April 2011. The largest and most comprehensive report