Interesting statistic. We continually assume that Facebook is the most engaging platform for visitors to social sites, but looks like a couple of smaller players (when compared to Facebook) fair better in compelling their user base to spend more time on their site.
For my non-geeks: 4 minutes is quiet a long time in terms of online engagement.
While Facebook and Twitter may rule the roost when it comes to total users, a few surprising names pop up when you look at the equally important statistics relating to user engagement. In layman’s terms, user engagement refers to how effective a site is at keeping users interested once they sign on. A quick scan of comScore reports from March of this year shows that, while they may be the best at attracting new users, sometimes the major players in the social networking game don’t always do a great job of keeping those users interested. (via Facebook’s 900 Million? But What about Engagement?)