I would use it....if all of my friends that I kept up with on facebook would switch to it? I like it a lot, I think its very intuitive and a great program.
Most of my friends are authors, and half of them use pen names online, so they're not too impressed by the requirement to use your real name. One had all her Google-related accounts frozen because she didn't realize she couldn't use her pen name with it. Even her website stopped working.
So if you use it, be sure to use your real name and not your online persona.
Eh, I'm a public servant (patrol deputy) and like to remain private. I use FB but have the security/privacy settings pretty high. Don't want anyone I've arrested or whatever to start watching me... so far, so good.
When I initially signed up to Google+ I got a "friend" attached that I didn't want there almost immediately. So all I did was figure out how to delete my G+ account and never went back.
I would use it....if all of my friends that I kept up with on facebook would switch to it? I like it a lot, I think its very intuitive and a great program.