Ten PPI survey waves in 2004
Outdoor Advertising: In 2004, the Allgemeine Plakatgesellschaft (APG) conducted ten rounds of surveys for its Poster Performance Index (PPI). The PPI is a free service tool for national poster campaigns.
Outdoor advertising The Allgemeine Plakatgesellschaft (APG) is conducting ten survey waves of its Poster Performance Index (PPI) in 2004. The PPI is a free service tool for national poster campaigns and measures advertising impact according to the criteria of recall, brand recognition and appeal. The interviews are conducted alternately in the agglomerations of Lausanne and Bern.
