Web 2.0 and Social Networking for the Enterprise (repost)

The Hands-On Guide to Thriving with Web 2.0 and Social Networking
Deepen employee and coworker relationships, improve productivity, strengthen collaboration, and boost creativity
Embrace, support, and manage social networking so it works for you, not against you
Best practices and new case studies from IBM® and many of its most innovative portal and social networking sites.