The value of the virtual realm for training has been recognized for some time, but now artificial reality is being exploited for many other applications. Web 2.0 capabilities have opened new doors in cyberspace, and people and organizations are embracing the new world of virtual collaboration. The only limits to using this make-believe realm may be those of human imagination. SIGNAL's May issue looks at ongoing efforts to explore collaboration in the virtual world. One picture may tell a thousand words, but sometimes it takes more than that to generate a particular image. That was the case with the cover of this month's SIGNAL Magazine.