In this episode, we will explore why Klaviyo developed its global holdout group feature and how its engineering team overcame the technical challenges. This feature helps Klaviyo’s customers run fair and unbiased experiments across multiple marketing channels, ultimately enhancing the accuracy of their marketing performance insights.

For more details, you can refer to their published tech blog, linked here for your reference: https://klaviyo.tech/creating-global-holdout-groups-8d48c8cf7266