Brutto-Werbemarkt: So ungenau sind die Nielsen-Zahlen https://www.dwdl.de/nachrichten/78086/bruttowerbemarkt_so_ungenau_sind_die_nielsenzahlen/ Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Related