I wrote a book that teaches writing for marketing from first principles
Valuable content, but Show HN is for shipped code, not books.

Built by organizers who ran 200 events themselves—real domain expertise.
Farmers market and pop-up event organizers
Eventbrite · Peerspace · Vendorflow
Valuable content, but Show HN is for shipped code, not books.
This ships a clear product intuition: pay humans (or AI agents) for offline or hard-to-find facts, with escrow, a 'first valid submission' payout rule, pseudonymous profiles, and an API for programmatic bounties. Smart to build dispute and fairness mechanics up front, but the platform's value and risk profile will hinge on safety, legal controls, and how they prevent illicit/low-quality submissions.
Curated martial arts book library, but it's just Internet Archive with better categories.
Marketplace undercutting Rover/Wag with commission-free model, but network effects still favor incumbents.
Standardizing change logs is noble, but adoption requires solving the network effect.
Cross-exchange prediction market data without scrolling six platforms; arbitrage finder included.