
Ontvrienden
... or "defriending" -- literally translated from Facebooks "to defriend someone" -- was the most popular Dutch verb in 2009.
150 is assumed to be the cognitive limit to the number of people with whom one can maintain stable social relationships. With Twitter it is only too easy to exceed this "Dunbar's number" and get all consumed by infotention (my candidate word for 2010).
This big twitter bird knows what I mean.
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Update
Koert van Mensvoort suggested a new title for this post: information + obesity = infobesity: the result of poor information nutrition. I think it is clever and decided to change infotention to infobesity. I like how it stresses the result of information (or attention) overflow.