This document discusses how to run more effective mobile app marketing campaigns. It outlines the evolution of user acquisition campaigns from focusing on volume and rank to profitability. It explains that cost-per-install campaigns prioritize downloads over converting users, while cost-per-profit campaigns focus on acquiring profitable users. Tracking user acquisition across different mobile ad networks and app stores is challenging due to a lack of standardized reporting. The Mobile Acquisition Transparency Alliance is working to address this issue by creating an open API for marketers to streamline campaign data reporting and attribution in a reliable, device-identifier agnostic manner.