Evaluating Instagram’s one‑tap account switcher
Overview
This question evaluates identity resolution, behavioral analytics, experiment diagnostics, product impact and abuse-risk assessment, and user segmentation within a Data Science role.
Meta
Jul 12, 2025, 6:59 PM
Data Scientist
Technical Screen
Analytics & Experimentation
50
0
Instagram Account Switcher: Identity Resolution, Behavior, and Risk Assessment
Context
Product teams shipped an in‑app, one‑tap account switcher to help creators and power users manage multiple Instagram accounts. Before a general availability (GA) launch, they need clarity on: (1) detecting when multiple accounts belong to the same person, (2) understanding why an experiment shows more accounts per user but no change in time‑spent, (3) whether to fully launch, and (4) which user segments might dislike the feature.
Questions
- Detection: How would you detect multiple accounts belonging to the same person?
- Experiment readout: The experiment shows more accounts per user but unchanged time‑spent. Why might this happen, and what data would you pull to diagnose it?
- Launch decision: Should Meta fully launch the switcher? Consider revenue uplift, complexity, and abuse risk.
- Segmentation: Which user segments might dislike the feature and why?
Solution
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