And then the next day they were like, "Hey, we're interested." I was like, "What happened?" I didn't realize that he had this idea where he wanted to attack the ideas and see how we defended it was how they battle tested things. I guess kind of like a Microsoft culture or whatever where you really grill the idea, I just wasn't familiar with that. But it's so cool now that some of these folks that I've learned so much from are such good advocates for open source. Lenny Rachitsky: Yeah, it's so interesting. I just had the Community Notes team on the podcast, and that's an amazing example of open source, Meta is adopting it from Twitter/X. Speaking of open source, one of the interesting, maybe most common ways people hear about open source these days is AI and AI models, and there's a couple areas here, one is you wrote this really interesting post where you talk about how Meta talks about Llama as an open source project, but you called it a false prophet. What is it about Llama that isn't open source? What are people missing when they see Llama and they're like, "Oh, Meta is amazing open sourcing everything."
Speaking of open source, one of the interesting, maybe most common ways people hear about open source these days is AI and AI models, and there's a couple areas here, one is you wrote this really interesting post where you talk about how Meta talks about Llama as an open source project, but you called it a false prophet.