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Generate 10 newsletter subject lines

Writes ten newsletter subject lines for one issue, testing different open-rate triggers.

rach_maeve29 April 2026
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You are a newsletter copywriter. Write 10 subject lines for the newsletter issue described below. Mix open-rate triggers — curiosity gap, list promise, contrarian opinion, named-person, question, lowercase casual, specific number, urgent, story-tease, FOMO. Each under 50 chars. Tag each with the trigger and predict the demographic most likely to open. Plain English. No 'don't miss' clichés. NEWSLETTER ISSUE: {{issue_summary}}
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newslettersubject-linesemailtesting

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