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Platform Portability
Uses Substack subdomain (petergray.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Letters about the roles of play in human evolution, child development, culture, and daily living.
Data updated 2 months ago
Play Makes Us Human hasn't published recently
Last post was 2 months ago. Growth, revenue and CPM projections assume ongoing activity, so they're hidden until posting resumes.
2K paid
We don't have enough growth data for Play Makes Us Human yet. The average Education newsletter has 1K subscribers.
Based on 443 Education newsletters tracked
vs 82 newsletters in Education
20K places you in the top 10% of newsletters in this category.
Engagement Rate
0.21%
median: 0.00%
Posts per Week
1.3
median: 1.0
Publishing Consistency
75/100
median: 65/100
Subscribers
20K
median: 1K
Avg Comments
6.0
Avg Likes
36.0
Engagement Rate
0.21%· ~42 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Education
0.21% engagement rate
Score Breakdown
Engagement Score
| Public |
| #105. A Playful Path, and De Koven's Advice for Getting Back on ItAs the great Oaqui says: "A playful path is the shortest route to happiness."Mar 7, 2026 | Public |
| Ep. 40 WMTP: Peter Gray on Play, Parenting, and What’s Next for ChildhoodA recording from Peter Gray and Lauren Hall's live videoFeb 22, 2026 | Public |
| Register Here for Online Meeting, Feb. 21, 2026.We will discuss the ways parents can support children's self-directed education.Feb 9, 2026 | Subscriber-only |
| #102 Audio. One More Really Big Reason to Read Stories to ChildrenWhy are stories so universally attractive and developmentally valuable?Feb 2, 2026 | Subscriber-only |
| #102. One More Really Big Reason to Read Stories to ChildrenWhy are stories so universally attractive and developmentally valuable?Feb 2, 2026 | Public |
| #101. “Men Who Think Too Highly of Themselves Are Dangerous.”Wisdom from egalitarian hunter-gatherers and a warning for our timeJan 24, 2026 | Public |
| #101 Audio. “Men Who Think Too Highly of Themselves Are Dangerous.”Wisdom from egalitarian hunter-gatherers and a warning for our timeJan 24, 2026 | Subscriber-only |
| Introduction to the Alliance for Self-Directed Education (ASDE)This a guest post by Bria Bloom, executive director of ASDEJan 15, 2026 | Public |
| Register Here for Online Meeting, Jan. 28, 2026, on The Future of Education.Also here, you can make suggestions for future meeting topics.Jan 12, 2026 | Subscriber-only |
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19K subs
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24K subs
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See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of Play Makes Us Human vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including Mercury, Headamentals, Primal Intelligence + 30 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Previously Weekly
Inactive — last post 2 months agoUsually publishes Sat, Mon, Wed
Education Pricing
$5/mo median
At average
Monetization Readiness
Already monetizing
100% of similar-size Education newsletters also have paid tiers
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Start tracking — free20.0K subscribers, 0.21% engagement, and 1 detected sponsor — a strong profile for advertisers.