{
  "slug": "why-zip-codes-changed-delivery",
  "version": 1,
  "layout": "flow",
  "nodes": [
    {
      "id": "n1",
      "type": "envelope",
      "label": "Address",
      "x": 67,
      "y": 72,
      "w": 162,
      "h": 162,
      "detail": "city + street"
    },
    {
      "id": "n2",
      "type": "badge",
      "label": "ZIP Code",
      "x": 290,
      "y": 80,
      "w": 82,
      "h": 82,
      "detail": "5-digit zone"
    },
    {
      "id": "n3",
      "type": "assembly-line",
      "label": "Sort Machine",
      "x": 290,
      "y": 186,
      "w": 82,
      "h": 82,
      "detail": "automatic routing"
    },
    {
      "id": "n4",
      "type": "person",
      "label": "Delivery Route",
      "x": 290,
      "y": 292,
      "w": 82,
      "h": 82
    }
  ],
  "relationships": [
    {
      "from": "n1",
      "to": "n2",
      "label": "augmented with"
    },
    {
      "from": "n2",
      "to": "n3",
      "label": "read by"
    },
    {
      "from": "n3",
      "to": "n4",
      "label": "assigned to"
    }
  ],
  "summary": "Five digits encode a delivery zone; machines sort by code automatically, routing without reading addresses.",
  "mechanism": "zone-code-automated-sorting",
  "fig": "FIG. / FIVE NUMBERS THAT MADE SORTING FASTER",
  "animation": {
    "style": "assemble",
    "duration": 700,
    "stagger": 60
  },
  "presentation": {
    "style": "vignette",
    "hero": "n1",
    "support": [
      "n2",
      "n3"
    ],
    "icon": "envelope",
    "label": "Address",
    "tilt": 0
  },
  "illustration": {
    "concept": "Map divided into nine numbered ZIP code regions; letter feeds into sorting machine at bottom; correct bin receives it; delivery route arrow goes straight to the matching region",
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