<svg xmlns="http://www.w3.org/2000/svg" viewBox="-40 -40 664 413" role="img" aria-labelledby="multiple-user-ids-title multiple-user-ids-desc" font-family="Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif">
  <title id="multiple-user-ids-title">One person fragmented into multiple profiles</title>
  <desc id="multiple-user-ids-desc">When sources send different user_id values for the same person, Amplitude creates separate profiles and splits their activity across all of them.</desc>

  <defs>
    <marker id="multiple-user-ids-arrow-danger" viewBox="0 0 10 10" refX="9" refY="5"
            markerWidth="8" markerHeight="8" orient="auto-start-reverse">
      <path d="M0,0 L10,5 L0,10 Z" fill="#b41823"/>
    </marker>
  </defs>

  <!-- Figure label pill -->
  <g>
    <rect x="0.5" y="0.5" width="135" height="25" rx="12.5" fill="#ffffff" stroke="#b41823" stroke-width="1"/>
    <text x="68" y="17" text-anchor="middle" font-size="12" font-weight="600" fill="#b41823">Split identity</text>
  </g>

  <!-- Source node: the real person (height 168 = 0.7 x 240px profile span, per fan-out sizing) -->
  <g>
    <rect x="0.5" y="94.5" width="199" height="167" rx="8" fill="#f8f9fb" stroke="#6f7480" stroke-width="1"/>
    <text x="16" y="172" font-size="14" font-weight="600" fill="#13294b">One real person</text>
    <text x="16" y="194" font-size="12" font-weight="400" fill="#1e2024">Jane at Acme</text>
  </g>

  <!-- Fan-out: one person splits into three profiles (dashed + danger = failure path) -->
  <line x1="208" y1="134" x2="359" y2="92" stroke="#b41823" stroke-width="1.5" stroke-dasharray="5 4"
        marker-end="url(#multiple-user-ids-arrow-danger)"/>
  <line x1="208" y1="178" x2="359" y2="178" stroke="#b41823" stroke-width="1.5" stroke-dasharray="5 4"
        marker-end="url(#multiple-user-ids-arrow-danger)"/>
  <line x1="208" y1="222" x2="359" y2="264" stroke="#b41823" stroke-width="1.5" stroke-dasharray="5 4"
        marker-end="url(#multiple-user-ids-arrow-danger)"/>

  <!-- Profile 1 -->
  <g>
    <rect x="368.5" y="58.5" width="215" height="63" rx="8" fill="#f8f9fb" stroke="#6f7480" stroke-width="1"/>
    <text x="384" y="84" font-size="14" font-weight="600" fill="#13294b">Profile 1</text>
    <text x="384" y="106" font-size="12" font-weight="400" fill="#1e2024"
          font-family="'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace">user_id: jane@acme.com</text>
  </g>

  <!-- Profile 2 -->
  <g>
    <rect x="368.5" y="146.5" width="215" height="63" rx="8" fill="#f8f9fb" stroke="#6f7480" stroke-width="1"/>
    <text x="384" y="172" font-size="14" font-weight="600" fill="#13294b">Profile 2</text>
    <text x="384" y="194" font-size="12" font-weight="400" fill="#1e2024"
          font-family="'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace">user_id: JANE@ACME.COM</text>
  </g>

  <!-- Profile 3 -->
  <g>
    <rect x="368.5" y="234.5" width="215" height="63" rx="8" fill="#f8f9fb" stroke="#6f7480" stroke-width="1"/>
    <text x="384" y="260" font-size="14" font-weight="600" fill="#13294b">Profile 3</text>
    <text x="384" y="282" font-size="12" font-weight="400" fill="#1e2024"
          font-family="'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace">user_id: legacy-8842</text>
  </g>

  <text x="292" y="330" text-anchor="middle" font-size="11" font-weight="500" fill="#b41823">Retention, funnels, and user counts split across all three</text>
</svg>
