"Companies are now using social software tools and transforming them for competitive advantage inside...their business[es]. [The paper and podcast] tackles the issue of "Enterprise 2.0", examines the suite of tools currently in use, and their potential benefits and challenges."

KPMG White Paper& podcast:
http://www.us.kpmg.com/industries/content.asp?l1id=60&l2id=0&cid=2478

Add: podcast of an interview w/ Carol Jones (IBM Fellow) on social software and the future of work - via Burton Group:
http://podcast.burtongroup.com/ip/2007/07/social-softwa-1.html