The document discusses building mobile web applications using jQuery. It notes that mobile web usage increased 148% in 2009 and that native mobile apps can cost between $20k-$150k per platform. jQuery Mobile allows developers to build a single unified mobile web application that works across all platforms, reducing costs compared to native apps. The document outlines how to build mobile web apps with jQuery Mobile using an MVP and iterative development approach, with testing tools like Cucumber, Capybara and Akephalos to ensure quality. It concludes by offering a demo of these techniques.