I love Coda and I love Grammarly, and I can't wait to see what you do with the combo. Congrats Lane!
@lennysan
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Optimizing Duolingo Streaks: Balance Difficulty for User Engagement
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A lesson from optimizing @duolingo's streaks feature: don't make it too hard, but also don't make it too easy https://t.co/QuinsePV5B pic.twitter.com/YbQRhp1yry
— Lenny Rachitsky (@lennysan) 17 décembre 2024A lesson from optimizing @duolingo
's streaks feature: don't make it too hard, but also don't make it too easy -

Large Tech Newsletter Community Shares Industry Insights Quarterly
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My newsletter has brought together one of the largest tech communities on the planet (over 900,000 subscribers!), which allows me a unique opportunity to capture ongoing insights from hundreds of thousands of professionals worldwide. Earlier this year, over 5,000 people
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Product Engagement: Streaks Cannot Replace Core Value
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Some key takeaways: 1. Streaks are an engaging tool, but they can’t make up for a weak product. If users don’t find inherent value in your product, streaks won’t change that. Build something that users actually want to come back to regularly, then layer in engagement mechanics
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Duolingo’s Streak Feature: The Growth Engine Behind $14B Success
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.@Duolingo's streaks feature is one of the best designed, most clever, and also most impactful growth features ever created. It's the single biggest driver of Duolingo's growth to a $14 billion business, and is endlessly copied by other startups. This one feature has created… pic.twitter.com/iOzgrtjSHG
— Lenny Rachitsky (@lennysan) 15 décembre 2024.
@Duolingo
's streaks feature is one of the best designed, most clever, and also most impactful growth features ever created. It's the single biggest driver of Duolingo's growth to a $14 billion business, and is endlessly copied by other startups. This one feature has created -
Why Change is Hard: Seth Godin on Resistance
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Seth Godin on why change is hard pic.twitter.com/ma0vUik450
— Lenny Rachitsky (@lennysan) 14 décembre 2024Seth Godin on why change is hard
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Building Remarkable Products: Seth Godin’s Innovation Framework
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Seth Godin on how to build something remarkable.
— Lenny Rachitsky (@lennysan) 13 décembre 2024
Something worth making a remark about. pic.twitter.com/1yR5fXwwTvSeth Godin on how to build something remarkable. Something worth making a remark about.
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Career paths of biggest tech company founders
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This is a great idea for a post, what function do the founders of the biggest companies come from. Thanks for the idea!
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AI Voice Podcast Strategy: Newsletter Audio Format Decision
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I'm thinking about launching a podcast that's me (or my AI voice) reading my newsletter posts, for folks who prefer to listen vs. read. Question for the audience: Would you rather I do this as part of Lenny's Podcast mixed in with interviews, or as a new separate podcast that's
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Accelerating AI Talent Development Through Elite Teams
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I want to do a follow-up post with case studies digging into this very question, but I suspect it's a combination of (1) they hire super strong people to start, (2) once hired they are surrounded by A++ people and solve very hard problems that accelerate their learning, and (3)