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Introduction to Virtual Worlds
and Designing for Them
Education is not the lling of a pail, but the lighting of a re.
—William Butler Yeats
1.1 WELCOME TO THE INFINITE VISUALIZATION TOOL, A VIRTUAL WORLD
Like the universe with its glittering galaxies oating over our heads on a summer night, cyberspace continues
to expand, full of people like you creating worlds for exploration, entertainment, and learning. Within this
three-dimensional manifestation of our collective imagination, you will nd new ways of understanding time
and space. Terrestrial and temporal identiers become insignicant as you work with people from around the
world. U