The document discusses how publishers can reach mobile audiences across multiple platforms cost-effectively. It notes that while many publishers focus on Apple, other platforms like Windows Phone 7 provide much larger distribution opportunities, potentially 10-15 times the size of the Apple iOS audience. The App Factory is presented as an online tool that allows publishers to build feature-rich native mobile apps across multiple platforms in just 5 minutes, providing a quick and low-cost way for publishers to access these larger audiences.