This document discusses building desktop applications with Adobe AIR using web technologies like PHP, HTML, and JavaScript. It provides an overview of AIR and its architecture, which allows building desktop apps using these web technologies. It also discusses using JavaScript in AIR applications and some JavaScript frameworks that work well, with an emphasis on jQuery. It then discusses using PHP as the server-side language to work with AIR applications, providing some examples of using PHP and JSON for asynchronous calls and file uploading.