An in-app ad marketplace is like a stage where developers sell advertising space in their applications to advertisers. By doing this, the marketplaces could greatly increase the sale of applications by linking them up with more advertisers. The reason why developers consider it so important is that they can choose the ads they want to show, and the time of their display, and therefore make the user’s experience better.
Maximizing Revenue with In-App Ad Marketplaces : Strategies for App Developers
