{
  "research_cutoff": "2026-09-28",
  "type": "Original unit audit; no lost-time estimate",
  "source": {
    "id": "W3",
    "url": "https://www.microsoft.com/en-us/worklab/work-trend-index/breaking-down-infinite-workday"
  },
  "published": "2025-06-17",
  "telemetry_end": "2025-02-15",
  "population": "Top 20% by received ping volume; EU and Education tenants excluded",
  "daily_pings": 275,
  "daily_window_hours": 24,
  "core_window_hours": 8,
  "rolling_days": 28,
  "invalid_as_empirical_estimate": [
    {
      "expression": "480 / 275",
      "result": 1.7454545454545454,
      "unit": "minutes",
      "why_invalid": "Eight-hour denominator with a 24-hour ping total"
    },
    {
      "expression": "275 * 23",
      "result": 6325,
      "unit": "minutes",
      "hours": 105.41666666666667,
      "why_invalid": "An assumed per-event recovery cost applied independently to overlapping or unattended events; 23 is not asserted universal"
    }
  ]
}