{
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      "between": {
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        "to": "2022-01-26T21:41:27.000Z"
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      "kind": "repositioning",
      "label": "Messaging",
      "summary": "Changed its homepage headline from “Harnessing Nucleic Acids” to “A new generation of healthcare needs a new generation of diagnostics”.",
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        "to": "2024-07-13T15:06:09.000Z"
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      "kind": "hiring",
      "label": "Hiring",
      "summary": "Added a careers page.",
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      "evidence": "https://web.archive.org/web/20240713150609/https://www.aptitudemedical.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-careers-page"
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    {
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      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “A new generation of healthcare needs a new generation of diagnostics” to “What if you had the ultimate tool to diagnose infectious diseases? Now you do.”.",
      "between": {
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  ],
  "update": {
    "headline": "Aptitude Medical Systems emphasizes infectious disease diagnostics",
    "summary": "Aptitude Medical Systems highlights an “ultimate tool to diagnose infectious diseases” on its homepage and appears to have shifted toward diagnostics-focused messaging, alongside adding a careers page.",
    "points": [
      {
        "text": "Between February 2021 and January 2022, Aptitude Medical Systems changed its homepage headline from “A new generation of proprietary aptamers for more effective diagnosis and treatment” to “Harnessing Nucleic Acids”.",
        "kind": "fact",
        "changes": [
          1
        ]
      },
      {
        "text": "Between February 2023 and July 2024, a classifier read a homepage headline change from “Harnessing Nucleic Acids” to “A new generation of healthcare needs a new generation of diagnostics” as a repositioning.",
        "kind": "fact",
        "changes": [
          2
        ]
      },
      {
        "text": "Between February 2023 and July 2024, Aptitude Medical Systems added a careers page.",
        "kind": "fact",
        "changes": [
          3
        ]
      },
      {
        "text": "Between July 2024 and July 2025, Aptitude Medical Systems changed its homepage headline to “What if you had the ultimate tool to diagnose infectious diseases? Now you do.”.",
        "kind": "fact",
        "changes": [
          4
        ]
      }
    ],
    "written_at": "2026-11-07T15:48:53.695Z",
    "basis": "ai_analysis",
    "model": "gpt-5.1-2025-11-13"
  },
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “Aptitude Medical Systems, Inc.” company record, https://startuphistory.org/c/aptitudemedical.com"
}