No <p>&nbsp;</p> <strong>&nbsp;</strong> <strong>Communication cookies:<br> </strong> <strong>Purpose</strong> <strong>Publisher </strong> <strong>Description</strong> <strong>Prior consent required?</strong> <strong>Measurement of the effectiveness of digital marketing campaigns</strong> <strong>Havas Media France</strong> In the context of marketing campaigns to promote our programmes, we use a cookie offered by our service provider Havas Media France to measure the effectiveness of our advertising campaigns. This cookie allows us to link a visit to our website to a digital advertisement published on a third-party site. The data (impressions, clicks and visits generated) are only kept in identifiable form for the period of the marketing campaign plus 3 months.