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How does everyone know how Twitter works? Doesn't it use proprietary code?


They have published a lot of blogs over the years, eg:

https://blog.twitter.com/engineering/en_us/topics/infrastruc...


Well they open sourced part of it, https://github.com/twitter/the-algorithm

and then I'm pretty sure Elon had a whiteboard session during his first days before firing everyone and had people explain it to him. Which he then posted on his twitter account. https://twitter.com/elonmusk/status/1593899029531803649?s=20




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