CultureProduct TestingTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCulture03/04/2014March 4, 2014Hassloch in Rheinland-Pfalz is considered Germany's most average town. For 30 years, the GfK consumer research group has been testing new products there. If products sell well, they're later put on the market across Germany.https://p.dw.com/p/1BIuAAdvertisement