Gwladys Hall on Twitter: Only 7% of Marketeers have all the #data they need ⁦@Kantar⁩ #kantartalks #media stage ⁦@BFI⁩…

Gwladys Hall on Twitter: Only 7% of Marketeers have all the #data they need ⁦@Kantar⁩ #kantartalks #media stage ⁦@BFI⁩…
Gwladys Hall (@GwladysHall) 0 0 0 12:00am 01/01/1970