I'm not saying 100,000 is an unfair statistic, but what I meant to get at instead was growth through g+ versus inclusion through tack-on services (a totally val

I'm not saying 100,000 is an unfair statistic, but what I meant to get at instead was growth through g+ versus inclusion through tack-on services (a totally valid and excellent way to bring users into your product :-) as I tend to agree with some of the other comments describing it as "the path of least resistance" for sharing content through google.