The link above is the original; there's also a more recent addendum here: http://edge.org/3rd_culture/hillis04/hillis04_index.html http://edge.org/3rd_culture/h

The link above is the original; there's also a more recent addendum here: http://edge.org/3rd_culture/hillis04/hillis04_index.html http://edge.org/3rd_culture/hillis04/hillis04_index.html