sari

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

Students: paying products with tokens, earning tokens for studying, getting tokens through schoolarships, etc

Third, I underestimated how predictable Hollywood’s output is. While these shows are better than they’re given credit for, they’re not as good as I expected.

When you have 700 million people a day doing something — and have been even before this started for some period — that’s not just a temporary thing. The trend was already going in that direction.

Covid-19 has mobilized a trillion-dollar reallocation of capital from commercial to residential real estate.

I have mixed feelings about Facebook being the likely winner here. On the one hand, it’s the last founder-run of the big 5 tech companies, and I admire Zuck’s vision and aggression. On the other hand, Facebook has a history of creating closed systems that don’t interoperate, charge high take rates, arbitrarily change rules on developers, and other ... See more