Lisa-Maria Neudert and Phil Howard argue in the Guardian’s Opinion section for greater transparency from political parties on how and where they advertise:
To keep our elections free and fair, and to be confident in their outcomes, parties need to disclose what ads they’re buying, on which platforms, and at what price. Now is the chance for campaigns to demonstrate their commitment to transparency and accountability…
In preparing for 12 December, political campaigners in the UK are relying heavily on data-driven targeted advertising, but share little information about their content, placement and pricing. After 10 months of research and consultation with policymakers, the tech industry, security experts and academia, our central recommendation is that advertising transparency must start with political parties.