Navbir Dhillon is Head of Advertising at Gumtree, where he oversees revenue across display, partnerships and emerging retail media. He sits at the intersection of classifieds, commerce and media, offering a distinctive view of a changing digital landscape.

Satish Thiagarajan, founder of Brysa, a Salesforce and data consultancy based in the UK, explains why many publishers are failing to capitalise on the potential of Dynamic Creative Optimisation...