A lawnmower is a physical device; it inhabits the real world and can be used to affect the real world. Computers open up a different kind of existence in an electronic or virtual world. This is not just the realm of virtual reality, aswe surf the web, use ftp to access remote files or even simply explore our own file system we are in asense inhabiting virtual space. Even the vocabulary we use reflects this: we ’visit’, ’explore’, ’go to’, ’navigate’ ... our webbrowsers even have a button to go ’back’. Their has been a growing acceptance of the consideration of a virtual space and the development of electronic worlds and landscapes.