Myk Melez lets us in on how Offline Web Apps hosted on GitHub Pages can use Service Workers to cache themselves consistently and persistently, including automatic, silent, and incremental updates, with graceful degradation on browsers that don't support them. Learn what Service Workers are, find out how to integrate them into Grunt and Gulp toolchains, and see demos of Offline Web Apps on GitHub Pages surviving page reloads and browser restarts on disconnected devices. About GitHub Universe: Great software is more than code. GitHub Universe serves as a showcase for how people work together to solve the hard problems of developing software. For more information on GitHub Universe, check the website: http://githubuniverse.com