More and more organizations are getting on the Corporate Web 2.0 bandwagon and seeking ways to transform their Corporate 1.0 cultures with various social media tools to create collaboration inside their businesses. The web 2.0 tools outlined in this presentation-- blogs, wikis, social networks -- have been used successfully by many companies to facilitate communication, secure information sharing, interoperability, and collaboration. Lessons learned are illustrated through three case studies of our own corporations (although names are scrubbed).