Google got it nearly right, but it was still the creator who had to choose the circle to post it in. I want a social network where I can choose to follow peopl

Google got it nearly right, but it was still the creator who had to choose the circle to post it in. I want a social network where I can choose to follow people and some tags - want to be able to follow you, when you are not talking about politics and remain 100% ignorant of any posts you make about politics.