Founder Marketing Lab
Rhiannon ThomasSocial Media, Marketing & GTM for founders, from someone who's led both for 20+ teams. Est. 2021.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 32 | Founded | 4 months ago | Last Issue | 6 days ago |
| Active | |||||
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1rhiannonthomas.substack.comLatest Issues
Anthropic Launched an AI Suite Built for Small Businesses.
Founder Marketing Lab goes under the hood of social media and marketing, providing weekly education for founders so they can market with confidence.
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On 13 May 2026, Anthropic launched Claud...
X Just Dropped Its Biggest Algorithm Release Yet. Here's What's Actually In It.
Founder Marketing Lab goes under the hood of social media and marketing, providing weekly education for founders so they can market with confidence.
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On May 15th xAI pushed a signific...
Is Your Social Presence Transferable?
Founder Marketing Lab goes under the hood of social media and marketing, providing weekly education for founders so they can market with confidence.
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In February 2026, HubSpot acquired Start...
What Your Price Is Telling People About Your Product
Founder Marketing Lab goes under the hood of social media and marketing, providing weekly education for founders so they can market with confidence.
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Your price is speaking louder than your...
The Scroll · Issue 01 · April - May 2026
X started dismantling community infrastructure, Instagram handed users more control over what they see, LinkedIn kept building toward becoming an AI search destination, and TikTok confirmed it’s now a search engine whether platforms...
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| Subscribers | Engagement | 72 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Founders, get confident in Social Media, Marketing & GTM by learning from someone who’s supported 20+ teams since 2021. Expect weekly posts, daily notes & real case studies. Free subs chat to AMA.
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