On: 83 percent of Google+ users are inactive — Tech News and Analysis

[jamesbritt]

What's interesting is that this is not a just g+ phenomenon, but holds true for other social networking sites as well.

What matters then is not what percentage of people stay, but what is the behavior of those who stay.

[jdelsman → jamesbritt]

Indeed, I wonder what the inactive percentage is for a site like Facebook.