This recent study may catch you by surprise.
A recent survey of internet users conducted by reveals the number of people actively using Google+ might actually be higher than many might expect. How many exactly?
According to the survey, about 23% of internet users worldwide. That's nearly 1 in every 4 people in the world, using a network that many (poorly informed) journalists would call a "ghost town" of a social network.
Well, I take a more analytical approach to these findings, and give some insight about how much it actually matters in this recent blog post: http://dustn.ws/1Q2yXOM