I think the keynote has always been aimed at the users (via journalists, I suppose) - in the ones I've watched, it's always been "surface level"; never much bel

I think the keynote has always been aimed at the users (via journalists, I suppose) - in the ones I've watched, it's always been "surface level"; never much below "we have these spanky new technologies!" on a slide. The rest of WWDC is for the developers with the workshops and whatnot, really.