Visitors spend an average of 3 minutes — PER MONTH — on Google+

Do the math: that's 6 seconds/day.

Not much happens there during that 6 seconds, I suspect.

Contrast that with Facebook, still atop the social world by a huge margin even with all the missteps.

The graphic up top comes from an article I read somewhere online yesterday but can't for the life of me find.

Anyone with the link, put in a comment or email it to me and I'll add it to this post instanter.

Of interest to me is the relatively weak performance of Twitter in terms of time spent: 21 minutes/month = 42 seconds/day.

I find the time I spend on Twitter, though far less than that on Facebook, is much more interesting and rewarding.

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Note added at 7:46 p.m. tonight: Charles E. Flynn provided crowdsourcing at its best, with a comment posted less than eight minutes after the post went up providing this missing link.