Backstage Pass | Mack Collier | Substack

How to Turn Random Posts Into Directional Content (Without Starting Over)

Let's optimize what you are already doing

Jan 15 • Mack Collier

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Here's What I Learned About Getting More Paid Subscribers in December

Dec 30, 2025 • Mack Collier

How to Leverage Substack's Algorithm For Growth

Dec 11, 2025 • Mack Collier

How Spotify Converts 40% of Free Users to Paid, and the Psychology Behind Why It Works

Aug 21, 2025 • Mack Collier

Five Signals That a Free Subscriber is Ready to Upgrade to Paid

Nov 13, 2025 • Mack Collier

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