A better base metric would be to measure how long it took to reach a specific number of items posted or shared per day. Those posts on Google+ about Google+ would be disqualified outright, which right now account for ~50% of my stream.
Also, in reference to the quickie TC chart, those of number of users who opted-in to a feature their provider activated. In other words, it's a voluntary rollout versus their previous social offerings.
Also, in reference to the quickie TC chart, those of number of users who opted-in to a feature their provider activated. In other words, it's a voluntary rollout versus their previous social offerings.