Social Media Facebook debuts new search tool: What does it mean for brands? It’s called Graph Search, and it enables users to search information that’s been shared with them on Facebook. By Michael SebastianJan. 16, 2013 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.