CONFERENCE METADATA — incomplete historical coverage; source presence is not proof of delivery.
Research dataset: Lukas Walter, Clemens Sauerwein, Daniel Woods, InfoSec.pptx, https://doi.org/10.5281/zenodo.15989593, CC BY 4.0 https://creativecommons.org/licenses/by/4.0/. Changes: metadata extraction, exact-match reconciliation and uncertainty flags. No endorsement implied.

{
  "id": "ccc-16294644-0034-4454-33bc-53087034480a",
  "title": "Why nothing is free if it costs your email - behind the scenes of email marketing",
  "presenters": [
    "Merete Stenner"
  ],
  "event": "Bornhack 2021",
  "year": "2021",
  "source_url": "https://media.ccc.de/v/442-why-nothing-is-free-if-it-costs-your-email-behind-the-scenes-of-email-marketing",
  "source_kind": "CCC recording catalog",
  "source_file": "ccc-bornhack2021.json",
  "rights": "Metadata and source links only; abstracts, biographies, transcripts and media not republished",
  "delivery_status": "Not independently verified",
  "title_status": "source supplied",
  "presenter_status": "source supplied",
  "media": [
    {
      "kind": "recording page",
      "url": "https://media.ccc.de/v/442-why-nothing-is-free-if-it-costs-your-email-behind-the-scenes-of-email-marketing"
    }
  ],
  "provenance": [
    {
      "event": "bornhack2021",
      "title": "Bornhack 2021",
      "source": "https://api.media.ccc.de/public/conferences/bornhack2021",
      "file": "ccc-bornhack2021.json",
      "sha256": "064ef17b983805a36f82d550ff428726de30e9346e9a6665f0858991941b7c14",
      "checked": "2026-10-16T03:45:36Z",
      "source_records": 26
    }
  ],
  "source_guid": "16294644-0034-4454-33bc-53087034480a",
  "source_event_api": "https://api.media.ccc.de/public/events/16294644-0034-4454-33bc-53087034480a",
  "date": "2021-08-20T15:00:00.000+02:00",
  "duration_seconds": 2437,
  "language": "eng",
  "tags": [
    "2021",
    "442",
    "2021",
    "BornHack 2021 (BornHack 2021)"
  ],
  "event_acronym": "bornhack2021",
  "source_schedule_url": ""
}