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15marches
11K subs
![[ Center for Humane Technology ]](/_next/image?url=https%3A%2F%2Fsubstackcdn.com%2Fimage%2Ffetch%2F%24s_!uhgK!%2Cw_400%2Ch_400%2Cc_fill%2Cf_auto%2Cq_auto%3Agood%2Cfl_progressive%3Asteep%2Cg_auto%2Fhttps%253A%252F%252Fsubstack-post-media.s3.amazonaws.com%252Fpublic%252Fimages%252F5f9f5ef8-865a-4eb3-b23e-c8dfdc8401d2_518x518.png&w=256&q=75)
[ Center for Humane Technology ]
182K subs

Mostly metrics
75K subs

Internal Tech Emails
60K subs
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![[ Center for Humane Technology ]](/_next/image?url=https%3A%2F%2Fsubstackcdn.com%2Fimage%2Ffetch%2F%24s_!uhgK!%2Cw_400%2Ch_400%2Cc_fill%2Cf_auto%2Cq_auto%3Agood%2Cfl_progressive%3Asteep%2Cg_auto%2Fhttps%253A%252F%252Fsubstack-post-media.s3.amazonaws.com%252Fpublic%252Fimages%252F5f9f5ef8-865a-4eb3-b23e-c8dfdc8401d2_518x518.png&w=128&q=75)
[ Center for Humane Technology ]

Mostly metrics

Internal Tech Emails
| Metric | 15marches | ![]() | ![]() | ![]() |
|---|---|---|---|---|
| Audience Size | ||||
| Subscribers | 11K | 182K | 75K | 60K |
| Free Subscribers | - | - | - | - |
| Paid Subscribers | - | 7.7K | - | 4K |
| Paid Ratio | - | +4.3% | - | +6.7% |
| Growth | ||||
| Weekly Growth | - | - | - | - |
| Engagement & Quality | ||||
| Engagement Rate | - | 0.03% | 0.00% | 0.06% |
| Quality Score | - | 48/100 | 35/100 | 46/100 |
| Pub. Consistency | - | 42/100 | 75/100 | 0/100 |
| Posts/Week | - | 0.9 | 2.6 | 0.2 |
| Monetization | ||||
| Monthly Price | - | $20 | - | $10 |
| Annual Price | - | $230 | - | $100 |
| Est. Revenue/mo | - | $155K/mo | - | $40K/mo |
| Info | ||||
| Platform | substack | substack | beehiiv | substack |
| Category | Technology | Technology | Technology | Technology |