Rubik's Cube
Babis MakrynikolasThoughts on tech, economics, product management, and everything in between
| Platform |  | Pricing | Only free issues | Publishes | Monthly |
|---|---|---|---|---|---|
| Issues | 25 | Founded | 6 years ago | Last Issue | 3 months ago |
| Active | |||||
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The Game Show That Broke Mathematics
Riddle
Picture yourself on a television game show set in the 1970s. The lights are blazing, the audience is buzzing, and in front of you stand three colorful doors. Behind one waits the ultimate prize: a shiny new sports car. Behind th...
The Marketplace Scaling Ladder Framework
Teams build beautiful, curated supply with hand-picked sellers and perfect quality controls. And then they watch a scrappier competitor with worse quality but 10x the volume lock up the market. The teams weren’t doing the wrong things. They...
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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