I can pick 300 random real world friends and guarantee that 99% of them never use Google+, even the ones in tech. I have an account and in 1 year I have posted

I can pick 300 random real world friends and guarantee that 99% of them never use Google+, even the ones in tech. I have an account and in 1 year I have posted 2 things to an audience of practically no one. Compared to other social metric's (facebook, twitter, etc), it's empty.