Manuel Sala, Director General of OJD, participates in a new PROA Comunicación Observatory

«The audit of media coverage and audience is required by advertisers, and quality content must be paid for,» acknowledged Manuel Sala, general manager of Información y Control de Publicaciones S.A. (OJD), at the PROA Comunicación Observatory, held at Degussa's headquarters. «This is something that is already working in other countries,» he added, while expressing his [...]