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Google Books (or similar) all book scans – $200k bounty (2025)

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signal score

⏳ Too early

trajectory — needs a few more hourly snapshots

7-day window (free)

Not enough history yet — the trend line fills in as snapshots accrue (hourly).

google books

Embed a live signal badge

[![Signalcrest signal](https://www.signalcrest.app/api/badge/hn%3A48786838)](https://www.signalcrest.app/topic/hn%3A48786838)

Drop this in a README or blog post — it updates automatically as the score moves.