“The goal of this document is to rise above the current alphabet soup of technical standards and create some conjecture and possibly even motivation around how these standards can work together. The web can be so much more that what native apps can do. It can offer interactivity like water, pouring out of any device with nothing but a click. This is the super power of the web and isn’t appropriately appreciated as the key differentiator from native apps.”

(Scott Jenson a.k.a. @scottjenson ~ W3C Blog)