With the impending phaseout of third-party cookies by Google, brands globally are exploring strategies to future-proof their digital advertising. Vodafone, a global telecommunications leader, identified the growing challenge posed by cookie-blocking browsers like Safari and Firefox, which had already rendered a significant portion of online activity and potential customers inaccessible through traditional cookie-based methods. To adapt, Vodafone pursued a solution capable of delivering cost-efficient audience targeting and measurable customer conversions in cookieless environments.