The Web Manifest specification | HTML5 Doctor : "But what is that gap? Just a few years ago, that gap was largely technological. If you wanted access to a device’s GPS, you had to write a native app. Nowadays, the situation is improving somewhat: we can now access devices sensors like GPS, camera, and orientation sensors – though we still have a long way to go. Thanks to recent advances in the web platform we now have a platform that can compete with native applications on a more equal footing." 'via Blog this'
Concerned with investigating appropriate methods to 'rescue' at risk web resources in a sustainable form.