{
  "company": {
    "name": "Slack (acquired by Salesforce, 2021)",
    "website": "https://slack.com/",
    "record": "https://startuphistory.org/c/slack.com"
  },
  "status": null,
  "history_since": "2008-05-09T16:05:43.000Z",
  "baseline": {
    "snapshot_id": "c5bba6999e72a00ac85911ec1957fc3055a9325b624cf8f2058d26e1262cff41",
    "observed_at": "2008-05-09T16:05:43.000Z",
    "headline": "David's Wacky Web Page",
    "description": "David DiGiacomo's home page",
    "evidence": "https://web.archive.org/web/20080509160543/http://www.slack.com/",
    "evidence_kind": "internet_archive",
    "facts": null,
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-06T20:50:04.545Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2010-04-10T01:28:31.000Z",
      "variants": [
        {
          "headline": "David's Wacky Web Page",
          "subhead": "David DiGiacomo's home page",
          "observed_at": "2008-05-09T16:05:43.000Z",
          "evidence": "https://web.archive.org/web/20080509160543/http://www.slack.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "David's Web Page",
          "subhead": "David DiGiacomo's home page",
          "observed_at": "2009-11-03T02:08:53.000Z",
          "evidence": "https://web.archive.org/web/20091103020853/http://slack.com:80/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "David's Web Page",
          "subhead": "David DiGiacomo's home page",
          "observed_at": "2010-04-10T01:28:31.000Z",
          "evidence": "https://web.archive.org/web/20100410012831/http://slack.com:80/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "David's Web Page",
      "subhead": "David DiGiacomo's home page",
      "from": "2008-05-09T16:05:43.000Z",
      "to": "2010-04-10T01:28:31.000Z",
      "captures": 3,
      "evidence": "https://web.archive.org/web/20100410012831/http://slack.com:80/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
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          "to": "2010-04-10T01:28:31.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2013-04-26T02:57:15.000Z",
      "variants": [
        {
          "headline": "Slack is a Kind of Active Sloth",
          "subhead": "David DiGiacomo's home page",
          "observed_at": "2013-04-26T02:57:15.000Z",
          "evidence": "https://web.archive.org/web/20130426025715/http://slack.com:80/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Slack is a Kind of Active Sloth",
      "subhead": "David DiGiacomo's home page",
      "from": "2013-04-26T02:57:15.000Z",
      "to": "2013-04-26T02:57:15.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20130426025715/http://slack.com:80/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2013-04-26T02:57:15.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2014-07-19T02:37:33.000Z",
      "variants": [
        {
          "headline": "Be less busy.",
          "subhead": "Relax. Your team's communication problems? We've got that. Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams.",
          "observed_at": "2014-01-13T18:46:36.000Z",
          "evidence": "https://web.archive.org/web/20140113184636/https://slack.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Be less busy.",
          "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
          "observed_at": "2014-07-19T02:37:33.000Z",
          "evidence": "https://web.archive.org/web/20140719023733/https://slack.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Be less busy.",
      "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
      "from": "2014-01-13T18:46:36.000Z",
      "to": "2014-07-19T02:37:33.000Z",
      "captures": 2,
      "evidence": "https://web.archive.org/web/20140719023733/https://slack.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
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          "to": "2014-07-19T02:37:33.000Z"
        }
      },
      "current": false
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    {
      "quote_observed_at": "2015-07-01T19:01:28.000Z",
      "variants": [
        {
          "headline": "“So yeah, we tried Slack...”",
          "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
          "observed_at": "2015-07-01T19:01:28.000Z",
          "evidence": "https://web.archive.org/web/20150701190128/https://slack.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "“So yeah, we tried Slack...”",
      "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
      "from": "2015-07-01T19:01:28.000Z",
      "to": "2015-07-01T19:01:28.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20150701190128/https://slack.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2015-07-01T19:01:28.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2017-01-01T05:30:07.000Z",
      "variants": [
        {
          "headline": "A messaging app for teams | w^75h^75o put robots^300 on^300 Mars who put robots on Mars",
          "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
          "observed_at": "2016-07-01T08:08:43.000Z",
          "evidence": "https://web.archive.org/web/20160701080843/https://slack.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "A messaging app for teams | w^75h^75o put robots^300 on^300 Mars who put robots on Mars",
          "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
          "observed_at": "2017-01-01T05:30:07.000Z",
          "evidence": "https://web.archive.org/web/20170101053007/https://slack.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "A messaging app for teams | w^75h^75o put robots^300 on^300 Mars who put robots on Mars",
      "subhead": "Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.",
      "from": "2016-07-01T08:08:43.000Z",
      "to": "2017-01-01T05:30:07.000Z",
      "captures": 2,
      "evidence": "https://web.archive.org/web/20170101053007/https://slack.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
          "from": "2016-07-01T08:08:43.000Z",
          "to": "2017-01-01T05:30:07.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2018-01-01T08:24:31.000Z",
      "variants": [
        {
          "headline": "Where Work Happens",
          "subhead": "Slack is where work flows. It's where the people you need, the information you share, and the tools you use come together to get things done.",
          "observed_at": "2018-01-01T08:24:31.000Z",
          "evidence": "https://web.archive.org/web/20180101082431/https://slack.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Where Work Happens",
      "subhead": "Slack is where work flows. It's where the people you need, the information you share, and the tools you use come together to get things done.",
      "from": "2018-01-01T08:24:31.000Z",
      "to": "2018-01-01T08:24:31.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20180101082431/https://slack.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2018-01-01T08:24:31.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-06T20:50:04.545Z",
      "variants": [
        {
          "headline": "All your people and AI agents working together",
          "subhead": "Boost productivity and save time with Slack‌ — ‌the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.",
          "observed_at": "2026-11-06T20:50:04.545Z",
          "evidence": "https://slack.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "All your people and AI agents working together",
      "subhead": "Boost productivity and save time with Slack‌ — ‌the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.",
      "from": "2026-11-06T20:50:04.545Z",
      "to": "2026-11-06T20:50:04.545Z",
      "captures": 1,
      "evidence": "https://slack.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "on": "2026-11-06T20:50:04.545Z"
      },
      "current": true
    }
  ],
  "changes": [
    {
      "n": 1,
      "id": "page-45deb2b05d1354126f053cff338ce5d26905f52b0a9946154ad00da85e92f7ec:b9546cf517a7bff6ce9117b9c035e67e7886bbde6ca1f3a8bd999c36e5d76b75:headline:b0870fa94cfe07fa",
      "before_evidence": "https://web.archive.org/web/20100410012831/http://slack.com:80/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “David's Web Page” to “Slack is a Kind of Active Sloth”.",
      "between": {
        "from": "2010-04-10T01:28:31.000Z",
        "to": "2013-04-26T02:57:15.000Z"
      },
      "evidence": "https://web.archive.org/web/20130426025715/http://slack.com:80/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 2,
      "id": "page-b9546cf517a7bff6ce9117b9c035e67e7886bbde6ca1f3a8bd999c36e5d76b75:2527cfaade8a9f90143f61e224543a6537dc5620cb40298875ed609ee5375404:headline:2d615cc1ac063ba7",
      "before_evidence": "https://web.archive.org/web/20130426025715/http://slack.com:80/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Slack is a Kind of Active Sloth” to “Be less busy.”.",
      "between": {
        "from": "2013-04-26T02:57:15.000Z",
        "to": "2014-01-13T18:46:36.000Z"
      },
      "evidence": "https://web.archive.org/web/20140113184636/https://slack.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 3,
      "id": "page-2527cfaade8a9f90143f61e224543a6537dc5620cb40298875ed609ee5375404:f261fcfc5a21181c48cfbd1b2b88fa13ede449485698af5213d9be6bc80fcd03:hiring:20dd4c09cc4ab0aa",
      "before_evidence": "https://web.archive.org/web/20140113184636/https://slack.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "hiring",
      "label": "Hiring",
      "summary": "Added a careers page.",
      "between": {
        "from": "2014-01-13T18:46:36.000Z",
        "to": "2014-07-19T02:37:33.000Z"
      },
      "evidence": "https://web.archive.org/web/20140719023733/https://slack.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-careers-page"
    },
    {
      "n": 4,
      "id": "page-2527cfaade8a9f90143f61e224543a6537dc5620cb40298875ed609ee5375404:f261fcfc5a21181c48cfbd1b2b88fa13ede449485698af5213d9be6bc80fcd03:pricing:ef162f2c55d8c41b",
      "before_evidence": "https://web.archive.org/web/20140113184636/https://slack.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "pricing",
      "label": "Pricing",
      "summary": "Added a pricing page.",
      "between": {
        "from": "2014-01-13T18:46:36.000Z",
        "to": "2014-07-19T02:37:33.000Z"
      },
      "evidence": "https://web.archive.org/web/20140719023733/https://slack.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-pricing-page"
    },
    {
      "n": 5,
      "id": "page-f261fcfc5a21181c48cfbd1b2b88fa13ede449485698af5213d9be6bc80fcd03:3634c3961f19c828525ccda184965f9696e4c67c4662c4e5d292ce48ceb69cbd:headline:326e6474e066041d",
      "before_evidence": "https://web.archive.org/web/20140719023733/https://slack.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Be less busy.” to ““So yeah, we tried Slack...””.",
      "between": {
        "from": "2014-07-19T02:37:33.000Z",
        "to": "2015-07-01T19:01:28.000Z"
      },
      "evidence": "https://web.archive.org/web/20150701190128/https://slack.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 6,
      "id": "page-3634c3961f19c828525ccda184965f9696e4c67c4662c4e5d292ce48ceb69cbd:91919c3cc3d8f885cf57c3912d76f88d0be3b5a0b9fcf1fc50b70713375423e7:headline:ca3470c6dc7d69fc",
      "before_evidence": "https://web.archive.org/web/20150701190128/https://slack.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from ““So yeah, we tried Slack...”” to “A messaging app for teams | w^75h^75o put robots^300 on^300 Mars who put robots on Mars”.",
      "between": {
        "from": "2015-07-01T19:01:28.000Z",
        "to": "2016-07-01T08:08:43.000Z"
      },
      "evidence": "https://web.archive.org/web/20160701080843/https://slack.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 7,
      "id": "page-d5592955581bba3f66d736e8980f85551fcbbcb009bad854d924312d1ff4d3ee:f3ac52710d55938663a556b330c96209b344174952eea44812768ac28b218f30:headline:9ac327e0559e8f4f",
      "before_evidence": "https://web.archive.org/web/20170101053007/https://slack.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “A messaging app for teams | w^75h^75o put robots^300 on^300 Mars who put robots on Mars” to “Where Work Happens”.",
      "between": {
        "from": "2017-01-01T05:30:07.000Z",
        "to": "2018-01-01T08:24:31.000Z"
      },
      "evidence": "https://web.archive.org/web/20180101082431/https://slack.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 8,
      "id": "page-f3ac52710d55938663a556b330c96209b344174952eea44812768ac28b218f30:72191e641ba9c3e1abfb0bbc93bfb34aded57ee4055ec45275fc2bb411925d1c:headline:ed59df69607306be",
      "before_evidence": "https://web.archive.org/web/20180101082431/https://slack.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Where Work Happens” to “All your people and AI agents working together”.",
      "between": {
        "from": "2018-01-01T08:24:31.000Z",
        "to": "2026-11-06T20:50:04.545Z"
      },
      "evidence": "https://slack.com/",
      "evidence_kind": "live_capture",
      "basis": "page_facts",
      "topic": null
    }
  ],
  "update": null,
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “Slack (acquired by Salesforce, 2021)” company record, https://startuphistory.org/c/slack.com"
}