

From 0 to HubSpot: Scaling a Newsletter to 150K Subscribers
Apr 11, 2025
Adam Biddlecombe, co-founder of Mindstream, shares his inspiring journey from casual LinkedIn posts to scaling a daily AI newsletter to 150K subscribers, ultimately leading to its acquisition by HubSpot. He discusses effective growth strategies, the significance of AI literacy in the workplace, and the challenges of building a remote team. Adam emphasizes the importance of consistent editorial quality and shares insights on monetizing newsletters, engaging sponsors, and fostering a strong company culture.
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Become AI Literate
- Combat AI job displacement fears by becoming AI literate.
- Even if your current role becomes obsolete, AI skills will enhance your employability.
Mindstream's Rapid Growth
- Adam Biddlecombe built and sold Mindstream, an AI newsletter, to HubSpot in 17 months.
- Initial growth was organic, driven by LinkedIn content and leveraging his copywriter friend, Matt.
LinkedIn for Growth
- Leverage LinkedIn for organic growth, especially if you're a subject matter expert.
- Use creator accelerators or follow creators teaching LinkedIn growth.