{
  "slug": "why-self-service-changed-retail-labor",
  "version": 1,
  "layout": "comparison",
  "nodes": [
    {
      "id": "n1",
      "type": "person",
      "label": "Counter Clerk",
      "x": 58,
      "y": 98,
      "w": 155,
      "h": 155,
      "detail": "fetches goods"
    },
    {
      "id": "n2",
      "type": "divider",
      "label": "→",
      "x": 265,
      "y": 114,
      "w": 24,
      "h": 140
    },
    {
      "id": "n3",
      "type": "shelf",
      "label": "Open Shelves",
      "x": 326,
      "y": 106,
      "w": 155,
      "h": 155,
      "detail": "customer browses"
    },
    {
      "id": "n4",
      "type": "cart",
      "label": "Basket/Cart",
      "x": 340,
      "y": 285,
      "w": 78,
      "h": 78,
      "detail": "customer carries"
    }
  ],
  "relationships": [
    {
      "from": "n1",
      "to": "n2",
      "label": "replaced by"
    },
    {
      "from": "n3",
      "to": "n4",
      "label": "filled by customer"
    }
  ],
  "summary": "Moving goods onto open shelves shifts picking labour from clerk to customer, reducing cost per sale.",
  "mechanism": "customer-labour-substitution",
  "fig": "FIG. / LETTING THE CUSTOMER DO THE PICKING",
  "animation": {
    "style": "reveal",
    "duration": 600,
    "stagger": 60
  },
  "presentation": {
    "style": "vignette",
    "hero": "n3",
    "support": [
      "n1",
      "n4"
    ],
    "icon": "shelf",
    "label": "Open Shelves",
    "tilt": 0
  },
  "illustration": {
    "concept": "Open shelving unit with products on three levels, directly accessible; no clerk symbol crossed out; customer arm reaching in to choose item",
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