I suspect I can safely assume that it'll be easy for anyone (e.g. MediaGoblin or other projects) to write an interface to it. Can we also safely assume it'll support all media formats that Firefox supports natively (i.e.
(and, seriously, why doesn't Mozilla throw in with MediaGoblin, or perhaps start a similar project to help end-users host their own "content"? It seems like an obvious direction for Mozilla's heavy emphasis on "web video" these days.)