{"blocks": [{"key": "aaea9e75", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ddc402c1", "text": "Coinbase runs a Super Bowl ad displaying a QR code that links to a promotional offer.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "f59fcfb6", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "fdb518a3", "text": "Estimate how many viewers will scan and use the promo QR code. State all assumptions, data sources, and the step-by-step calculations you would perform.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "2faa09c9", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "437518b9", "text": "Think of total viewers, device availability, attention rate, scan rate, conversion rate, and historical analogs.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}