Some interesting stats and fact's if you believe them or not.
More damning research has emerged about Google+ user engagement, challenging Google’s spin that the network is growing at a rapid clip.
RJ Metrics looked at the public comments of 40,000 Google+ users and found, among other things, that about 30% of such users who make a public post once never do so again. The report may present a somewhat skewed picture of Google+ engagement since it focuses on public posts. However, based on the data, the service’s user engagement still lags that of competitors like Facebook and Twitter.
Among other findings:
* The average post on Google+ has less than one reply, reshare and +1.
* There’s a 15% chance that a user will not post publicly again even after posting publicly five times.
* The average time between posts is 12 days for active users.
* The average number of public posts per active users declines steadily month after month.
In contrast, a the Pew Internet & American Life Project found that 52% of Facebook users and 33% of Twitter users engage with the platform daily.
The RJ Metrics report emerges after comScore found that Google+ users....
Continued at: http://mashable.com/2012/05/15/google-plus-engagement/
Thinking i'll send this thread to Google+.