The document discusses social media tools that were used in response to the Deepwater Horizon oil spill. It provides a list of social media platforms and their uses, including photo and video sharing sites like Flickr and YouTube, social monitoring and metrics sites, social bookmarking sites, microblogging on Twitter, live streaming on sites like Ustream and CoverItLive, and social networks like Facebook. It also discusses lessons learned from the response, such as engaging stakeholders early and knowing target audiences. The goal of future efforts is to model best practices from the Deepwater Horizon response, share lessons, and educate others through various social media sites and platforms.