This document provides an agenda and information for a seminar on virtual environments. The seminar will take place on October 6, 2011 in Otaniemi, Finland and also on Second Life and Twitter. It is organized by several research projects focused on innovative business collaboration and working environments in virtual worlds. The seminar will discuss benefits and challenges of using 3D virtual environments for various business uses such as meetings, training, communities, and conferences. Presentations will highlight case studies of using virtual worlds to support distributed work.