From November 2003 to June 2005, Patrick Fridenson, Gilles Le Blanc and I have
animated at the School of Higher Studies in Social Sciences (EHESS) a monthly seminar on
the history and economics of digitization. Patrick Fridenson had just organized at the EHESS
during two years a seminar on the history of the present time entitled "Is there a new economy
? ". I had, with Gilles Le Blanc, initiated in 1997 at the Ecole des Mines a team of
digital economy research. The seminar on digitization was born from our meeting,