[Air-L] Motivations for status updating

[Nicholas John]

Dear Colleagues
There's quite a nicely developed literature on the motivations behind
contributing to Wikipedia and peer-produced software (e.g. Linux), but I
wonder if there are notable studies on the motivations for updating statuses
in Facebook and Twitter.
References would be welcome.
Thanks in advance
Nicholas
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Dr. Nicholas John
sociothink.com
nicholasjohn.tel