> This specification standardizes a packaging format and metadata for a class > of software known as widgets. Unlike traditional user interface widgets (e.g., > buttons, input boxes, toolbars, etc.), widgets as specified in this document > are full-fledged client-side applications that are authored using Web > standards > such as HTML5 and then packaged for distributions.
Minor complaint. I think it's possible to author a widget using things which are not web standards :). I don't of course endorse such activity, but i think it is possible.
