This question evaluates product analytics and experimentation competencies—specifically usage analysis, metric and success-criteria design, demand and impact estimation, qualitative research synthesis, and operational and competitive trade-off reasoning for a consumer social product.

You are a Data Scientist asked to assess whether Instagram should build a multi-participant group chat/group video-call feature. You have access to an existing video_calls table that currently logs 1:1 calls. Use analytics, user research, and competitive/operational considerations to build a recommendation.
Blend usage analytics, competitive landscape, user feedback, and cost/quality considerations to produce a data-backed narrative and a pragmatic rollout plan.
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