Apple's 'iAd for Developers' May Not Be Cost-Effective
Late last month, Apple enhanced its iAd mobile advertising platform to allow app developers to purchase ad space for simple banners that expand to display "in-app" App Store pages that allow users to read about and purchase applications without leavi...
http://www.macrumors.com/2010/08/26/apples-iad-for-developers-may-not-be-cost-effective/