Radio advertising as a medium with Hailstorm and SPARK media

Spark Media, a division of Caxton & CTP Publishers and Printers Ltd, is South Africa’s largest print and digital media solutions sales company. It represents Caxton’s 115 local newspapers and 58 local websites, providing location-targeted content for brands and ad agencies at scale in 120 economically-active communities. It also produces ROOTS, SA’s leading urban, community-level quantitative survey that provides unequalled demographic and behavioural information on local consumers.