Elisabeth Freeman is a software developer and digital artist. A strong advocate for women in computing, Elisabeth co-founded The Ada Project (TAP) - an award-winning website for resources for women in computing. In 1995, TAP became an official volunteer project of the ACM Committee on the Status of Women (http://women.acm.org/). Elisabeth led the R&D efforts in digital media at the Walt Disney Internet Group, where she co-invented Motion, a content system that delivers terabytes of video every day to Disney, ESPN, ABC, FamilyFun, and Movies.com users. She holds graduate degrees in computer science from Yale University and Indiana University. Eric Freeman is a computer scientist with a passion for media and software architectures. He directed the Internet broadband and wireless efforts at the Walt Disney Internet Group for four years. He studied computer science with David Gelernter at Yale University and received his Ph.D. in 1997. Eric implemented tuple-space systems on Thinking Machine CM-5s and created some of the first Internet information systems for NASA in the late 80s. Eric and Elisabeth are the coauthors of the new book Head First Design Patterns (O'Reilly, 2004).