# F9.1 Untagged Batch 3 (memos 200-310) Digest Summary

111 memos analyzed (51 non-garbage). 2 cards written. 109 skipped.

## Cards Written
1. `saas-product-vs-halfproduct` — SaaS 成品 = 功能维度 + 绩效维度
2. `free-product-switching-cost-asymmetry` — 免费产品试用零成本，付费需一倍价差

## Skip Rationale (109 memos)
- SaaS/Product research notes (20+): Notion/Figma/Coda/多维表/蓝湖 market analysis — overlaps with F1 cards
- Personal/financial (10+): Home renovation, credit cards, stock accounts, domain names
- Historical/factual (5): Japan stagnation, Soviet nuclear weapons, beer types
- MSFT internal (5): Product metrics, team notes, planning
- Self-help/philosophy (5): 断舍离, 三观, 世界观, 傅盛三种人
- Company profiles (5): 差评, 万兴, 蓝湖, etc.
- Technical tools (3): Zapier/IFTTT, Bytebase, Superset
- Short/empty (10): <150 chars
- Fiction (1): 三体 reading notes

## Quality Check
- 🔵 98% skip rate — batch 200-310 heavily overlaps with already-covered product research
- 🔵 2 cards extract genuinely transferable pricing/product frameworks
- 🔵 All cards: source:flomo ✓, wikilinks ✓, atomic ✓
