This document summarizes trends and best practices in adopting social media, or Web 2.0, technologies in organizations in 2008. Key findings include that employers are increasingly allowing social media use for business purposes, finding benefits like improved branding and communication, and are taking steps to integrate these technologies into their corporate culture. Some organizations create internal communities to foster knowledge sharing and collaboration among employees, while others focus on external-facing communities to engage customers. Best practices for organizations include encouraging participation, managing communities with appropriate oversight, and using wikis more for internal audiences.