{"blocks": [{"key": "8e03d6a8", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c20114af", "text": "Product team wants to understand whether friends' content drives more social engagement and how to evaluate the introduction of unconnected content in the Info Stream.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "9e8ae075", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "de9afa8a", "text": "The hypothesis is that friends' content is more 'social' and drives stronger engagement than unconnected content. Describe how you would validate this hypothesis using the provided data. Unconnected content will be introduced to the Info Stream for the first time. Focusing on metrics and experimentation, explain how you would measure whether this launch is successful.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "6ab21eee", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "a33dfee1", "text": "Think of A/B tests, treatment vs control, primary engagement metrics (CTR, reactions), guardrails (retention, time spent), and ways to segment by relationship.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}