The biggest problem for me is all the FAKE ACTIVITY you can find in the platform. I ended up not believing google+, and not doing any effort to publish anything there.

I have reasons to believe that most of the "follow" activity in google+ was managed by bots (google bots?) that took over zombie accounts just to simulate the community was alive.

I have a real example. Without doing much, other than being featured in another google+ profile with +500K followers (which happened to be sponsored by google); we end up getting 11K followers for our company profile.

All of our followers seemed to be zombie users with real names, but none of them had a real person behind them. We believe that since the +500K account was sponsored by google itself, most of the followers were fake and thus we end up having some of those followers too.

We tried to contact some of our followers, without never getting an answer. Once, we got as follower the sommelier (wine expert) of one of the best restaurants in the world which happens to be a few kilometers away from were we are. Since it was wery strange that a guy like him has interested in the google+ profile of a company focused in music and video distribution (our company), we also got in contact with him. As always, nobody answered.