Adobe Integrate Runtime (AIR) allows developers to create desktop applications using web technologies like HTML, JavaScript, and Flash. Some key points: - AIR fills the gap between web and desktop apps by allowing development of desktop apps with web skills. - AIR apps can access native desktop features like files, windows, menus that web apps can't. - AIR apps are distributed as .air files and installed like regular desktop programs. Developers can control aspects like windows, icons, and updates. - Security is improved with sandboxing that restricts access but bridges allow controlled communication. Signing helps validate developer identity. - Popular frameworks like Flex can be used to build the