Google+'s killer feature (at least from what I've seen) is Circles. Not being able to easily control who sees what on Facebook is the reason I don't post more

Google+'s killer feature (at least from what I've seen) is Circles. Not being able to easily control who sees what on Facebook is the reason I don't post more personal content to it. Being able to easily control what I share and with who - like I do in the real world - would make me 10x more likely to become an active participant on a social network. It might be time to actually sign up for an account....