https://orcid.org/0000-0002-5460-1501
Figures & data
Table 1. Overview of findings from each archive.
Table 2. All platform payer and disclaimer labels.
Table 3. Overview of labels regarding micro-targeting details (Geographic Location, Gender and Age).
Table 4. Transparency in terms of advert labelling across the archives.
Table 5. Display of payers’ identity across platforms.
Table 6. Provision of spending information.
Table 7. Provision of details of the currency in which an advert was paid for.
Table 8. Issue-based advertising across platforms.
Table 9. Spending by political actors for adverts as reported by Google.
Table 10. Spending of selected political actors for adverts as reported by Twitter.
Table 11. Spending by political actors for adverts as reported by Facebook (Top 30 Advertisers).