Dave Cole //

Posts Tagged 'dunbars number'


Just playing around today, trying to better visualize Google Plus’ circles-based sharing mechanisms.

I’m still on the fence about how sustainable Google+’s circles will be in the long run. I’m comfortable with thinking that Dunbar’s number applies for individual one-to-one relationships, but how effective are we at managing groups of relationships? Paul Adams’ (@Padday) slideshare is one of the most traveled examinations of complex real-life social networks, and has been referenced by a ton of other sites when Google+ launched (not surprising since Paul is an ex-Google Facebook-er, and ergo as close to an expert on this stuff as it comes).

View more documents from Paul Adams
But more to the point – are “circles” effective and sustainable? Dunbar’s number assumes that we can manage 150 independent relationships, but how many simultaneous groups can we hold together? My guess is that the number is something on the order of 4-6.

Why do I say that? Total speculation – but let’s think about most peoples’ lives. We typically associate with only a handful of active groups at any given time. I’d guess that for most folks, those groups would be: Keep reading…

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Mentioned in this Post: @padday, @_Yuriam, @kirstenwright

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