Cardboard newsletter sponsorships
NewsletterFIT detected Cardboard sponsoring 2 newsletters in 2 posts over the last 12 months, first on Oct 29, 2026. Newsletters it has sponsored include AI for Humans and Leadership in Change. The most recent placement was in AI for Humans on Oct 30, 2026. Its placements cluster around Prompt engineering, AI agents and Workflow automation.
- Newsletters
- 2
- sponsored in the last 12 months
- Placements
- 2
- posts with a detected sponsorship
- First detected
- Oct 29, 2026
- in indexed posts
- Last seen
- Oct 30, 2026
- AI for Humans
Placements per month
Newsletters Cardboard has sponsored
- AI for Humans22K subscribers
SubstackSeveral times a week · last post 4 days ago
Likely audience: Product managers
1 placement · last Oct 30
- Leadership in Change8K subscribers
SubstackSeveral times a week · last post 12 days ago
Likely audience: Operations leaders
1 placement · last Oct 29
Similar newsletters where Cardboard hasn't been detected
Active newsletters on the same topics that already carry sponsors. Useful for finding where a brand like this could go next, or where a competitor isn't yet.
- AI Fire50K subscribers
beehiivDaily · last post 3 days ago
Likely audience: AI developers
Sponsored by HubSpot, WISPR, HIGHTOUCH
beehiivSeveral times a week · last post yesterday
Likely audience: Product managers
Sponsored by Front
- Prompt Guy101K subscribers
SubstackSeveral times a week · last post yesterday
Likely audience: Small business owners
Sponsored by Reading Time
- AI Agents Simplified58K subscribers
SubstackSeveral times a week · last post 5 days ago
Likely audience: ML engineers
Sponsored by HubSpot, CircleCI, EZ Texting
- Dangerously Educated by Tayla Burrell23K subscribers
SubstackWeekly · last post 6 days ago
Likely audience: Content creators
Sponsored by Metricool
- Dickie’s Digest22K subscribers
SubstackMonthly or less · last post 30 days ago
Likely audience: AI enthusiasts
Sponsored by Substack
- AI Made Simple10K subscribers
SubstackWeekly · last post 6 days ago
Likely audience: Content creators
Sponsored by Adobe
- The Rundown AI2M subscribers
beehiivSeveral times a week · last post 4 days ago
Likely audience: Product managers
Sponsored by HubSpot, Granola, Google
Recent placements
- Show your…AI for Humans
“at a time. Build: Keep a Show your work kit of prompts, a brief, exemplars and brand details for your next recordings. Sponsored by Cardboar”
- AI Designed…Leadership in Change
“it, what they know that nobody else knows, and what they decide to point it at. A quick sponsor note before we dig in. Thanks to Cardboard f”
Detected automatically from posts with explicit sponsorship markers ("sponsored by", "brought to you by" and similar). Detection can miss placements or misread them. Updated Nov 4, 2026 · methodology · all sponsors