I have very strong theories on where Hangouts / Communities is going. Educated guess (no insider information) = sometime in the (hopefully near) future you will be able to do a limited broadcast Hangout on Air from within a Community to ONLY that community.

Since the very beginnings of Hangout On Air when I was one of a very limited group to get (test and crash!) the feature, people have wanted the ability to not only have a public broadcast themselves (everyone does now) but the ability to have a targeted broadcast. Communities (groups) would be the perfect vehicle for this. You (might have) heard that here first folks…

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