{"blocks": [{"key": "8edc53f6", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "67ffb9d5", "text": "Design a \"Reading Time\" feature for Google Docs.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "e89d27e1", "text": "Describe how you would estimate a user\u2019s reading time for any document.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "fca7a360", "text": "Explain how you would validate and refine your estimation model using real usage data.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "32b04b71", "text": "Sketch the high-level product and system design (client, backend, data pipeline).", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "efb81f49", "text": "Define the metrics you would track to evaluate feature success.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}