Rubik's Cube
Babis MakrynikolasThoughts on tech, economics, product management, and everything in between
| Platform |  | Pricing | Only free issues | Publishes | Monthly |
|---|---|---|---|---|---|
| Issues | 23 | Subscribers | Read | bmak.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
AI Is Rewriting the Rules of SaaS Pricing
For years, SaaS pricing was based on a simple pricing model: price per seat. Easy to explain, easy to forecast, and easy to sell. But that model is breaking down. As AI reshapes workflows and automation reduces the need for “seats”, the lin...
The Era of AI Pricing
For years, SaaS pricing was based on a simple pricing model: price per seat. Easy to explain, easy to forecast, and easy to sell. But that model is breaking down. As AI reshapes workflows and automation reduces the need for “seats,” the lin...
Will vibe coding replace PRDs?
Vibe coding is having a moment. Instead of writing PRDs, teams dive straight into code or design, building quick prototypes to test ideas. It feels fast, collaborative, and a lot more energizing than a narrative. Recently, Mahdu Guru, a Goo...
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