A growth-intelligence broadsheet · productgrowth.blog
EDITION No. 115
Fri, Jul 17, 2026
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Where growth hacking meets GTM engineering (and nothing is just theory)

Growth levers
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Sep 17
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Section 01About This Blog

Welcome to Experimenting with Growth, my corner of the internet where I document what it really takes to grow products.

I’m Rishikesh Ranjan, a growth hacker & GTM engineer. On any given day, I’m juggling roles: part marketer, part data analyst, part automation engineer, and part product strategist. This blog is where I share the experiments, frameworks, and lessons from that messy mix.

Section 02Why This Blog Exists

Most content on “growth hacking” is advice-heavy: do this, don’t do that. The truth? Growth isn’t a formula. It’s experiments.

Here, I don’t pretend to have a guidebook of answers. Instead, I:

  • Share real experiments I’ve run (what worked and what didn’t).
  • Break down growth loops, funnels, and GTM plays from SaaS & PLG companies.
  • Explore how AI & automation are reshaping growth.
  • Publish interviews with founders and operators who’ve done this at scale.

If you’re building or growing a product, you’ll find practical takeaways you can test in your own work.

Section 03What You’ll Find Here

  • Case Studies & Breakdowns → e.g. PostHog, Perplexity, Cursor AI, Lovable
  • Growth Loops & Frameworks → word-of-mouth loops, viral loops, community loops
  • AI + Growth Experiments → LangChain, Relay.app, PostHog MaxAI, n8n automations
  • Playbooks from the Field → experiments I’ve run at StreamAlive and beyond
  • Founder Interviews → lessons from SaaS leaders and GTM engineers turned founders

Section 04Why Subscribe

  • Get new experiments in your inbox before they hit LinkedIn/Twitter.
  • Learn practical frameworks you can immediately apply.
  • Access behind-the-scenes stories that don’t make it to public posts.
  • Join a community of builders, hackers, and GTM engineers who think in loops, not just funnels.

I publish about 1–2 times a month. No fluff, no recycled advice, just experiments, numbers, and lessons.

👉 Subscribe here to get every post straight to your inbox.

Section 05Start Here

If you’re new, begin with these posts:

That’s the idea: At Experimenting with Growth, I don’t tell you what works. I show you how growth hackers think and test.

See you inside. 🦄

👉 Subscribe now

Written by

Rishikesh Ranjan

I reverse-engineer how the fastest-growing companies actually grow — teardowns, playbooks, and field notes for people already in the trenches.

The teardown lands in your inbox every week.

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