Design pre-launch plan and cluster A/B test

Consider a proposal to introduce Facebook’s “More like this” recommendation module on Instagram. The module is already live on Facebook but has not shipped on Instagram. You can use only the existing interaction and product tables; there is no event data for the new button, and success must be measured through engagement rather than revenue. Create a plan that makes a pre-launch case to the product manager and defines a post-launch validation approach. Address all five areas…