This is even more true if you think about multiple languages. I often publicly write in Italian about Italian politics, and in English about technology, and I d

This is even more true if you think about multiple languages. I often publicly write in Italian about Italian politics, and in English about technology, and I don't want to "spam" my English followers with content they can't read (and much less care about), but I also want my posts to be public for the Italian users. This is the most important use case that G+ isn't addressing right now, imho.