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  1. Users
  2. Luna Yamamoto
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Luna Yamamoto

luna.yamamoto@northline.aiMarketing Manager · Marketing
Tools used
CursorPerplexityChatGPT
AI spend (3 mo)$6,243.24
Savings$1,546.87

Luna's Token Efficiency Over Time

Score out of 100 · recovered after a dip

Luna's Monthly AI Spend

Spend down 10% while output volume rose

What improved Luna's usage

  • Stopped pasting full inbox context into every prompt
  • Started using the Campaign Brief Skill
  • Added a user guidance file with preferred formats
  • Routed list-building tasks away from Opus
  • Used AI for reasoning, not deterministic spreadsheet math

Luna's top workflow

Campaign Copy & Assets

Landing pages, email sequences, and launch messaging

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$1,35811 convos

Luna vs Marketing

Efficiency vs. cost compared with teammates
Efficiency vs. Cost
EfficiencyToken Spend

Luna's user.md

user.mdVery Efficient
23 lines · under the ~40-line always-on budget
# user.md

You're an experienced Marketing Manager working on demand gen, content, and launch messaging for a B2B audience. You keep voice concrete, claims sourced, and CTAs focused.

## Preferences
- Direct, concrete voice — no buzzwords
- One CTA per draft
- Default model: Sonnet

## Brand
- Audience: B2B operators
- Claims need source or qualifier

## Do not
- Paste full keyword exports
- Invent pricing or features

## Load on demand
- @email.md · @landing.md · @social.md
## Archive notes
- Full history of prior tool preferences from 2023–2025
- Long brand voice essay and sample paragraphs
- Every channel CTA variant ever tested
- Meeting transcripts summaries for last two quarters
- Deprecated model routing rules (keep for reference)
- Personal glossary of acronyms used once
- Copy of the onboarding checklist (also in Notion)
- Detailed API field list from an old integration