
10/31/2022 · Nailong Zhang
What this post added
This post details the application of machine learning and causal inference to optimize Instagram's daily digest push notifications. It moves beyond traditional click-through rate models to identify users who are likely to see content organically, thereby reducing notification volume without impacting user engagement. The post explains the use of uplift modeling and a randomized experiment to estimate incremental value, and an online approach with score transformation to stabilize sending rates, leading to improved user experience and reduced resource usage.