Euan points to a post from Thomas Vander Wal about Folksonomy definition and Wikipedia, in which he talks about how his original definition of Folksonomy (which he clearly re-articulates in the post) has become fuzzy.
Just to pick up on one small point. Vander Wal says:
Quoting a Wiki entry without pointing to the revision* is like pointing to Time magazine without a date or issue number.
I’d say it was more like discussing a wine but not the vintage.
*Something I’m guilty of with wikipedia and wine and will bear in mind from now on!