Looking for success stories for brand and marketing team collaboration

Advances and adoption of social media create new opportunities …a new way to collaborate beyond authoritative “need to know” and into “good to know”: enriching and engaging relationships in our community.

We are looking for some success stories for brand and marketing team collaboration (large international consumer brands if possible) -- know of any?

What does 'good' and 'good enough' look like?

What online communities and social media tools have been adopted, used, and improved the way small teams have worked?

How do we create a capability to provide a community that allows members to build and share information:


Structured / official
Unstructured / social / recent / trend

To a wide variety of people who are invited into our Community:
Internal / partners / distributors / agencies / others