Proof of Concept Add us as a preferred source on Google
Make a deal with Proof of Concept
👋 Unclaimed listing — auto-generated from public data; rates are estimates, not set by the creator. 🔒 Paid proposals held safely in escrow — released only when the work's approved.
Auto-generated from Proof of Concept’s publicly available Substack info.
Proof of Concept hasn’t claimed, verified, or endorsed it, and is not affiliated with, sponsored by, or a partner of SocialDB. Any rates shown are estimates, not set by the creator.
💰 Suggested sponsorship rate
💡 Facts
👥 Audience demographics
EstimatedModeled from this creator's niche, platform & region — a niche benchmark, not this creator's real audience data.
- United States34%
- India11%
- United Kingdom8%
- Brazil6%
- Indonesia5%
- English88%
- Other12%
💬 Newsletter engagement
MeasuredReal reader activity from the last 12 posts — reactions, comments and restacks are public on every Substack post.
Almost every issue is free — a sponsor reaches the entire subscriber base.
About
📮 Recommends
From SubstackProof of Concept publicly recommends these newsletters to its readers — a real signal of shared audience and strong collab targets.
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Kyle’s newsletter
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Frequently asked questions
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✉ Message Proof of Concept
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- ✓ Manage every conversation in one inbox
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🎤 Event / appearance with Proof of Concept
Booking an event / appearance is a Pro feature. Upgrade to book Proof of Concept for an in-person or virtual appearance — payment held safely in escrow until the event is done.
- ✓ Book them for events, livestreams, panels & more
- ✓ Proof of Concept gets notified by email
- ✓ Fee held in escrow, released after the appearance
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Proof of Concept isn't on SocialDB yet
Proof of Concept hasn't claimed this listing yet, so they can't accept sponsorships, collabs or other deals here. The prices shown are estimates.
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