Dion Hinchcliffe from ZDNet has an interesting post out about communities in the enterprise. It's really almost two posts in one, with the title seeming a bit misleading until you get to the end. He does discuss platforms (and yes, Drupal is high on the list) but what was much more interesting was his discussion of how expertise in forming online communities may soon become a cornerstone skill for employees.

The post is a bit long, but definitely well worth the time - http://blogs.zdnet.com/Hinchcliffe/?p=195