 approach was made at the Heidelburg Conference.
This was a private, invitation only conference held at the European
Media Lab located at the Villa Bosch in Heidelburg with generous support
from the Klaus Tschira Foundation - a private German foundation that
also supports the European Media Lab.  The theory group was composed of
people who are competent and well known in the field.  Among them are
some who have contributed to this list.  The participants were chosen
both for their competence and because the