This document discusses Web 2.0 and the social web. It defines Web 2.0 as a platform where the machine and user interact, content and form are separated, and data is shared via XML. Examples given are Twitter, Facebook, and Wordpress. The social web allows people to share information about themselves and their connections. There are challenges to social media strategies, such as measuring return on investment and changing technologies. Organizations must consider their structure, measurement of engagement, and ensuring the strategy has a return on investment.