Definition: Médiamétrie is a polling company, created in 1985, specializing in audience measurement and analysis of television and radio as well as cinema and Internet attendance. She also specializes in panels. Médiamétrie is well known for its television audience measurement tool: Médiamat. It is the only company, in France, to ensure this counting. Its capital is divided between television channels (35%), radio stations (30%), advertising agencies (35%).