Talk to ECP/PT group

This document is part of a talk on the "World Wide Web" project, given to the PT group of the CERN/ECP division on Tuesday 26 February 1991 by Robert Caillau and Tim Berners-Lee . The material has been reused (with some extension) in talks to the AS group of CN division (25-Apr), and the CN "C5" committee (17-May).