Evaluate Messenger's P2P Payments Feature for Business Viability
Overview
This question evaluates a data scientist's skills in product analytics, experimentation design, causal inference, monetization modeling, and unit-economics assessment for a messaging platform considering a peer-to-peer payments feature.
Meta
Jul 12, 2025, 6:59 PM
Data Scientist
Onsite
Analytics & Experimentation
72
0
Facebook Messenger: Should We Add P2P Payments?
Scenario
Facebook Messenger is considering launching a Venmo-like peer-to-peer (P2P) money transfer feature.
Task
Assess whether adding P2P money transfer in Messenger is worthwhile from a business perspective. Address the following:
- Business goals and north-star metric(s); success and guardrail metrics.
- Potential negative impacts and risks.
- Monetization paths and simple unit economics.
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Experiment or pilot/beta design to measure impact:
- Choice of experiment type (e.g., A/B vs. geo holdout) and randomization unit.
- Variants to test.
- Sample size and duration (with assumptions).
- Metrics and decision criteria.
- How to compare engagement between beta participants and non-participants (e.g., difference-in-differences).
- Handling contamination if control-group users request access.
Hint: Define a clear north-star metric, guard against spillovers, outline causal assumptions, and quantify revenue paths.
Solution
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