This document discusses how HR can leverage social media and enterprise 2.0 platforms. It begins by defining key social media platforms like Facebook, Twitter, LinkedIn, and Wikipedia. It then discusses how these can be used for HR purposes like recruitment, networking, and knowledge sharing. The document also discusses enterprise 2.0 concepts like social networks, blogs, wikis and how these internal tools can boost productivity, innovation and engagement. It argues HR should drive adoption of these tools by establishing guidelines, introducing an element of fun, and motivating creativity.