European spending on ad exchanges lags behind the U.S., where the early exchanges - including Right Media, AdECN, and DoubleClick AdEx - were launched. But the continent is expected to close the gap in coming years...
European spending on ad exchanges lags behind the U.S., where the early exchanges - including Right Media, AdECN, and DoubleClick AdEx - were launched. But the continent is expected to close the gap in coming years...