{"blocks": [{"key": "beee7f43", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "64c01911", "text": "Measuring success and allocating resources for the new \"Circle\" group feature", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d1c2e6e5", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "7a40b3c4", "text": "How would you define success metrics for Circle compared with regular posts? Design an experiment to evaluate the feature given small vs large engineering allocation; what trade-offs would you consider? Three line charts show metric = total comments/total posts for Circle, business posts, and friends posts—can we compare them directly? What insights or hypotheses emerge?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1ffc9198", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "8b78fcdc", "text": "Address normalization, cohort selection, variance, resource constraints, causality.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}