I live in a world of business-to-business and business-to-government marketers. Yet, I often find social media inspiration from effective consumer applications.
Here's an example. This article serves as a good reminder that content distributed via social networks is most effective when it engages, educates and entertains.
Relevance is established and community is constructed via a focus on thought leadership and best practices, rather than a sales pitch on a product, technology or service offering.