Investigation into new mobility in Greater Paris: the logbook of a transport guinea pig. The objective? Determine what are the new uses of mobility in Île-de-France, after the changes imposed by the health crisis.

Frédéric Choulet, deputy editor-in-chief of Le Monde, was selected to participate in the survey. Each time you travel, it must be activated, in order to transmit the data live which, as for the other 3,337 participating volunteers, will be analyzed by software.