How It Spread
See how anything went viral, from the first post
How It Spread launched on October 20, 2026 with 88 votes, #250 of 4,211 launches that month and more than 95% of that year's launches.
What it does
Why things went viral, traced from the first post to the peak: who amplified it, where it jumped, and a Spread Score anyone can check.
Films, products, memes and campaigns, traced from the first post to the peak. For strategists and their agents. Curry Barker's first theatrical feature premiered at 11:59pm in TIFF's Midnight Madness section. Variety profiled Barker before the premiere. His $800 YouTube feature Milk & Serial had passed two million views. Deadline reported Focus Features was in exclusive talks to buy the film for upwards offrom howitspread.com
Does a similar job
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Post Script - The evolution of viral blogging2015 · feeds.soundcloud.com · ▲59With Neetzan Zimmerman, Gawker's viral king

TL;DR2025 · tl-dr.tv · ▲199I love Hacker News but I rarely have time to read full articles / comments, so I built a simple site to summarize the top posts & comments to make it easier to get a big picture. A few implementation details: - It pulls the top stories from the HN Firebase API (`/v0/topstories`) - Filters stories with >200 points - Uses Claude Sonnet for post + comment summaries - Tries to capture the sentiment of the comments (still working on improving this) - Refreshes both posts + summaries hourly It has already helped me I hope it helps you! Please let me know if you have any feedback --…


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