... Metrics tracked in AB test. So even if it's not explicitly encoded in the algo (or implicitly through some of the features plugged in), they'll pick the winning cell as long as it doesn't hurt Elon's metrics (I'm just parroting the comment you quoted).
It doesn't have to be in the algorithm for the systems to be tweaked to please Elon vanity metrics.
[I've been running lots of ML AB tests over the years, some in organizations of similar size & complexity as Twitter]
It doesn't have to be in the algorithm for the systems to be tweaked to please Elon vanity metrics.
[I've been running lots of ML AB tests over the years, some in organizations of similar size & complexity as Twitter]