The document discusses using AngularJS and the Ionic framework to build mobile apps. It notes that in the past, frameworks were buggy and performance was poor, but now mobile browsers and frameworks like AngularJS and Ionic have improved. Ionic provides common UI controls and navigation features to build mobile-optimized apps using HTML5 embedded in a webview wrapper like Cordova. The framework is gaining popularity for building powerful, easy to use mobile apps with AngularJS. Developers are cautioned to consider their needs and platform guidelines before implementing.