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📊 The State of Newsletters in 2025

Tools Used by a16z

Check out the tool stack used to build, operate, and send a16z.

Email Service Provider

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Substack

💸 Paid Subscriptions🗣️ Referrals📢 Recommendations + 5 more
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Mailchimp

➗ Segmentation🤖 Automation📩 Embeddable Forms + 8 more
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SendGrid

⚒️ API📩 Embeddable Forms🤖 Automation + 2 more

Analytics

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Google Analytics

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