> You can self-host the js files wherever you like
Sure, but those files would still open the persona.org pop-up, AFAIK (until Persona has been implemented directly in the browser). So until then persona.org could theoretically gather data.
Firefox OS includes pseudo-native implementation, with some work still getting farmed out to persona.org. Ozten and Jedp are working on the beginnings of truly native support in desktop Firefox. We've held off on pushing too far in that direction while we toyed with the API and data formats, but things seem to be shaping up.
Sure, but those files would still open the persona.org pop-up, AFAIK (until Persona has been implemented directly in the browser). So until then persona.org could theoretically gather data.