If you like Hamlet on the holodeck

Can we imagine a world in which Homer's lyre and Gutenberg's press have given way to virtual reality environments like the Star Trek holodeck? Murray sees the harbingers of such a world in the fiction of Borges and Calvino, movies like Groundhog Day, and the videogames and Web sites of the 1990s. Where is our map for this new frontier, and what can we hope to find in it? What will it be like to step into our own sto…