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Platform Portability
Uses Substack subdomain (lewislin.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Think like a world-class product leader in 15 minutes. I take you through product deep dives and leadership insights that turn ambitious professionals into executives.
Data updated Today
| Public |
| G7: Design an Elevator for a SkyscraperHow to think about vertical transportation as a software problem — and build a Google-native platform on top of it.May 16, 2026 | Subscriber-only |
| 1:1 coaching spots open. Closes May 19.One of my recent clients just landed a role at OpenAI.May 14, 2026 | Public |
| Part 9: What Breaks at ScaleCheckpointing, Failures, and Fault ToleranceMay 12, 2026 | Public |
| O15: Metrics for AI Coding Agents How to choose the North Star Metric for a coding agentMay 9, 2026 | Subscriber-only |
| M33N: Measuring Success for Meta Ads for Local BusinessHow to measure whether local advertising actually drives customers to businesses—not just clicks to websitesMay 7, 2026 | Subscriber-only |
| Part 8: Batch Size, Learning Rate, and Scaling LawsWhy You Can’t Just Add More GPUsMay 5, 2026 | Public |
| Part 7: The Interconnect BottleneckNVLink, InfiniBand, and Communication CostsApr 28, 2026 | Public |
| M6: Design a Gardening App for MetaHow Meta can leverage the local social graph to turn "failed" backyard gardens into a neighborhood's most valuable datasetApr 24, 2026 | Subscriber-only |
3K paid
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Start tracking — freeLewis C. Lin’s Newsletter reports a rounded subscriber count of 63K. The platform doesn't expose finer-grained numbers, so week-to-week changes below the rounding threshold aren't visible in a chart.
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Avg Likes
8.6
Engagement Rate
0.01%· ~9 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Business
0.01% engagement rate
Score Breakdown
Engagement Score
vs 323 newsletters in Business
63K places you in the top 10% of newsletters in this category.
Engagement Rate
0.01%
median: 0.00%
Posts per Week
2.3
median: 1.0
Publishing Consistency
71/100
median: 64/100
Subscribers
63K
median: 2K
Here's what we know about this newsletter's activity:
Publishing Pace
~2x per week
Consistent
Category Rank
#90 of 1402
in Business
Engagement Trend
Declining
based on recent posts
Micro Saas Idea
36K subs
GTM Vault
26K subs
The Stanza
20K subs
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Publishing Frequency
~2x per week
Last published May 19, 2026
Usually publishes Tue, Thu
2.3 posts/week avg
Business Pricing
$7/mo median
Premium tier
Monetization Readiness
Already monetizing
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Priced at $19/mo, 171% above the Business median of $7/mo.