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The 70/30 Rule
Let AI do 70% of the work (research, structure, first draft). You do 30% (personality, specific examples, opinion, editing).
That 30% is what makes your content yours. Skip it and you're just noise.
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Reddit
AI for: Research, outline generation. Never for: Final posts or comments. Redditors can smell AI content from miles away.
LinkedIn
AI for: First drafts, formatting. Always personalize: Opening hook, stories, CTA.
AI for: Thread structure, repurposing. Edit heavily for voice and punch.
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Our AI Workflow
- Brain dump topic/idea into AI
- Get structured draft back
- Delete 40% (AI is verbose)
- Add personal examples and opinions
- Rewrite opening hook manually
- Edit until it sounds like me speaking
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The biggest mistake founders make with AI content tools is using a single generic prompt across every platform. Reddit users and LinkedIn audiences have completely different expectations. A Reddit post that starts with a list of bullet points gets skipped. A LinkedIn post that opens with a personal story about failure gets 10x the engagement. AI can adapt to these differences, but only if your prompt explicitly defines the platform, audience, and tone you need.
A useful prompting framework is to define three things before generating anything. First, the specific platform and the community within it. Second, the emotion you want the reader to feel in the first three seconds. Third, the single action you want them to take after reading. Prompts that omit these specifics produce content that could belong to anyone, which means it effectively belongs to no one and drives no action.
- Specify platform and subreddit or LinkedIn audience in every prompt
- Define the target emotion: curiosity, relief, urgency, or inspiration
- Give AI 3 real examples from your own writing to mimic your voice
- Instruct AI to avoid filler phrases like 'it's worth noting' or 'in conclusion'
- Always request 3 variations and pick the strongest hook from each
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Measuring Whether AI Is Helping or Hurting Your Engagement
The simplest audit is to compare your engagement rate from the 30 days before you started using AI with the 30 days after. If comments dropped but likes stayed flat, AI is probably producing content that feels safe but not interesting. If both dropped, the AI-generated content is visibly generic and your audience has noticed. If both improved, you have found the right human-to-AI ratio for your voice and audience.
Track specifically the ratio of comments to impressions, not just total likes. Comments require effort from the reader, which means a commented post triggered a real reaction. Likes are passive. On Reddit, the comment-to-upvote ratio is your best signal. Posts with 50 upvotes and 25 comments are performing far better algorithmically than posts with 200 upvotes and 2 comments.
- Track comment-to-impression ratio before and after adopting AI drafts
- Flag any post that got fewer than 3 comments and audit it for AI-sounding phrases
- Compare your top 5 performing posts and note how much you edited the AI output
- Test one fully human post per week against AI-assisted posts to establish baseline
- If engagement drops 20 percent or more after AI adoption, increase your edit ratio
MediaFast shows you which subreddits to target and what content works in each community. Check our Reddit marketing guide.
