A clutch of corporate social media case studies from Charlene Li and co.

Better than Basecamp?

A Facebook for grownups?

Searches across all social networks (well, most) and shows you at a glance what everyone else you know is up to. It's impressive, but feels a bit *wrong*.

Wow. This site offers authentic, people-powered customer service by connecting customers and company employees and claims to reduce the cost of repetitive enquiries. Describes itself as "real-time, dynamic customer support content that leverages the wisdom of crowds". Seems all the cool corporates are using it already.