I think there should be ONE concept of sharing items in Windows that works across all those scenarios. One UI. Consolidation is required, I believe.
You're right, that would certainly be simplest. Unfortunately, I don't think anyone has figured out the perfect sharing concept yet. Well, never mind perfect, but none of the existing methods are good enough that I would be comfortable consolidating on one
of them at this point. I think we (and everyone else) need some more time to experiment. Also, I suspect there won't be just one concept--there are lots of different usage patterns and customer needs to deal with--but ideally there would only be a few obvious