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For example, BTC's value is enabled its scarcity. This scarcity is ensured through the code and design of BTC itself. There isn't a central party that can change the rules on users and take the supply beyond 21m coins.

This helped us continuously increase our retention over the years, making Duolingo more fun and sticky. Every screen in our products is obsessed over many times by many people. You can see this throughout the product, where every screen takes Duolingo design principles seriously: every screen will have minimal text, be gamified, simple and intuitiv... See more

These groups have a hard time talking because the "open web" too often comes across as an idealistic abstract notion and most end users just don't tangibly feel the bad consequences. In fact, they're often happier with the snappy, vertically integrated experience of closed app ecosystems.

“[Twitch] solves the original sin of the internet, which is having an advertising-based system…We decided to go with banner ads over paying each other online” – Andrew Chen

This Ecosystem of Rivals strategy is ultimately about replicating the capabilities/data that Microsoft has in their platform with linked individual tools.

His ideas do not magically make us stop being mimetic. The mimetic theory gives us a framework to avoid situations that inspire debilitating desires; what type of person to avoid and who to keep close

“People wrongly think that you need to be an expert to write about something. No. Writing is the way that you learn about the thing that you then become an expert in.” – David Perell

Why is that a revelation? Well, the problem is that if you think about it, what that means is that the only way to discover any of these things was to not be trying to discover them.