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SECONDSENSE – The OS for the Resale Economy

Hacker News

SECONDSENSE – The OS for the Resale Economy

At its core, the $350B resale industry is a messy, unstructured data problem. Resale isn’t a single market — it’s an extremely fragmented ecosystem of global marketplaces (The RealReal, Poshmark, Etsy, eBay, Fashionphile, etc.) and a long tail of independent resellers, social media merchants, and vintage/consignment shops. On both the consumer and enterprise sides, the biggest pain points stem from a lack of unified product schemas and inconsistent condition nomenclature and evaluation standards. We’re building SECONDSENSE to be the operating system for luxury resale, and we just launched our new UI to empower shoppers with data to find the best deals & investment pieces. Would love feedback from anyone who’s worked on marketplace data, product search, or catalog infrastructure.

Visit product View on Hacker NewsJul 24, 2025

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