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Topic · Strategy and operations
Funnels run out. Loops compound.
Definition
A growth loop is a self-reinforcing cycle where the output of one engagement becomes the input to acquiring the next user. Examples: viral loops (every new user brings N users), content loops (every new piece of content produces backlinks that fuel SEO), and product loops (usage produces public artifacts that drive new sign-ups).
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Vertical
B2B SaaS
B2B SaaS in 2026 buys through ChatGPT and Perplexity before it ever sees Google. If your brand isn't cited in AI answers, demos don't book.
Vertical
AI-native companies
AI-native companies need GEO that names the model, the use case, and the developer adoption signal. Generic positioning loses to specific technical-buyer hooks.
FAQ
A funnel is linear and terminates: acquire, convert, retain. A loop reinvests: the act of completing the funnel creates new acquisition input.
Yes, though they tend to be content and reputation loops rather than viral loops. The Notion playbook (template gallery, public docs, referral) is one example. The dbt playbook (open-source artifacts, conference visibility) is another.
Yes. Paid revenue funds organic growth that fuels the loop. The cleanest model is paid powering the funnel; loop reducing CAC over time.
Slower than the deck suggests. Real loops show measurable compound effect in months 4-9, often after a flat or declining period in months 1-3 that founders mistake for failure.
Falling viral coefficient (under 1.0 means net decay), platform dependency (algorithm changes), and ceiling effects when the addressable audience saturates.
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