Digital Marketing
Substack Is a Growth Channel, Not Just a Newsletter
Substack combines email, Notes, Chat, and Live into one audience engine. Here's why marketers and creators should treat it as a growth channel.
newsletter growth.
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EU Draft Removes GDPR AI Opt-Out and Reworks Cookie RulesSubstack Is a Growth Channel, Not Just a NewsletterThe Auction Is the Easy Part of a Media Buyer's WeekRefinery89 Adds In-Flight Brand Lift BenchmarksBrand Lift: The Randomized Metric Behind Upper-Funnel SpendEU Draft Removes GDPR AI Opt-Out and Reworks Cookie RulesSubstack Is a Growth Channel, Not Just a NewsletterThe Auction Is the Easy Part of a Media Buyer's WeekRefinery89 Adds In-Flight Brand Lift BenchmarksBrand Lift: The Randomized Metric Behind Upper-Funnel Spend
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Tue, 22 Sep 2026
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