Opportunity ledger / Dossier O-0469
Recurring need documented in 1 independent public source item.
First seen 2026-07-17 · Last updated 2026-07-19 · Recalculated daily
Trend factor ×1.0, capped at 2.0.
Post title: First: Fable 5 down! ......... Now: Customer Service "Down"
先是：Fable 5 挂了！......... 现在：客服也"挂"了 Chinese research excerpt
Use the source link for the original-language context.
The public layer keeps only a minimal excerpt. Open the source for full context.
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Every item traceable · free access · meaningful changes go into the weekly brief
Scoring summary
Evidence confidence = strength × evidence volume × source diversity × payment × competition × trend × 10. Counts use independent content items; only first-hand pain, current spend, explicit willingness to pay and concrete feature requests affect the score. Repeated posts by one author are discounted. Scoring and status changes follow deterministic rules.
“Evidence-backed” means the problem appears real, recurring and connected to spending. It does not mean the business is worth building. Read the full methodology.