Interesting analysis of Facebook application distribution

Found this on boing boing a few days ago and just forgot to blog about it then.   This is an interesting analysis of what facebook apps get used the most.  I’m not sure why the result (think long tail) are all that surprising.  In the end this is just a validation that Facebook has replicated enough (in both scope and scale) of a real world social network to exhibit the same phenomena.
Good News, Bad News about Facebook Application Market: Long Tail Rules