This looks to be the first patent granted to Facebook. From the references in the patent, there are many more in the pipeline: U.S. Appl. No. 11/639,655, Mark

This looks to be the first patent granted to Facebook. From the references in the patent, there are many more in the pipeline: U.S. Appl. No. 11/639,655, Mark Zuckerberg, Systems and Methods for Social Mapping, filed Dec. 14, 2006. cited by other . U.S. Appl. No. 11/646,206, Aaron Sittig, Systems and Methods for Generating a Social Timeline, filed Dec. 26, 2006. cited by other . U.S. Appl. No. 11/493,291, Mark Zuckerberg, Systems and Methods for Dynamically Generating a Privacy Summary, filed Jul. 25, 2006. cited by other . U.S. Appl. No. 11/701,698, Jed Stremel, System and Method for Digital File Distribution, Feb. 2, 2007. cited by other . U.S. Appl. No. 11/713,455, Jed Stremel, Systems and Methods for Automatically Locating Web-Based Social Network Members, filed Feb. 28, 2007. cited by other . U.S. Appl. No. 11/701,566, Jed Stremel, System and Method for Automatic Population of a Contact File with Contact Content and Expression, filed Feb. 2, 2007. cited by other . U.S. Appl. No. 11/502,757, Andrew Bosworth, Systems and Methods for Generating Dynamic Relationship-Based Content Personalized for Members of a Web-Based Social Network, filed Aug. 11, 2006. cited by other . [...]