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The AI Social Playbook

How to Mine 85 Subreddits for AI Content

Sep 7, 2026
How to Mine 85 Subreddits for AI Content
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Most social teams brainstorm content ideas from memory or a generic AI prompt, then wonder why nothing sounds different from a competitor’s post. Christopher Penn, Chief Data Scientist at TrustInsights.ai, pulls real audience questions straight out of Reddit and turns them into a ranked list of 100 video topics.

In this episode:

  • A model on par with Claude Sonnet 5 can run for about 1/40th the cost through a smart-and-cheap provider pick.

  • Reddit’s questions, not its answers, make the safest source material, with a human still filtering trolls and skipping competitor mentions.

  • One Gemini Notebook prompt turns a raw Reddit export into 100 ranked questions.

  • Recording on an iPhone in a kitchen can beat a polished studio setup on platforms downranking synthetic-looking video.

  • Turning on YouTube’s third-party training permission gets a creator’s expertise cited by AI agents.

Timestamps:

0:00 – The line that opens every failed AI pipeline

2:39 – Why Chris skipped Claude Code for OpenCode

5:05 – Mapping models by smart-and-cheap, not by brand

9:45 – Why a product requirements document comes before any code

13:31 – The one file that survives an AI’s memory getting compressed

17:50 – Turning a Reddit export into a grounded notebook

20:51 – The exact prompt that produces 100 ranked questions

22:05 – Why a human still filters trolls and skips competitors

25:00 – Recording in a kitchen on purpose

29:07 – The YouTube setting that trains AI on your expertise

31:52 – The one trap that breaks every rushed AI pipeline

Guest: Christopher Penn, Chief Data Scientist, TrustInsights.ai

trustinsights.ai · christopherspenn.com · LinkedIn

Full show notes and transcript:

https://www.agorapulse.com/blog/podcasts/ai-social-playbook/e4

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