Colin Moock’s ongoing aspiration is to create collective experiences for the web. In this lecture, he demonstrates and dissects his latest work in the field of multi-user Flash content. Topics covered include concepts in user representation, multi-user application development with XML Socket, and moock.org’s new Unity socket server. For the technical part of this session, a prior knowledge of ActionScript is expected. Moock is the author of ActionScript: The Definitive Guide (O’Reilly).