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  "publishedAt": "2026-03-28T09:35:40.000Z",
  "site": "https://upstract.com",
  "textContent": "While TikTok and Instagram reels make headlines, Substack has been racking up cool‑girl points in the background. Founded in 2017, Substack has grown into something culturally potent. By 2025, the platform had 20 million monthly active subscribers; by 2026, that figure had climbed past 35…",
  "title": "How Substack Became the Hottest Social Media Platform"
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