I couldn't find anything specific to that, but I did find thus blurb where they seem to explicitly track how often they're serving Elon's tweets for A/B testing

I couldn't find anything specific to that, but I did find thus blurb where they seem to explicitly track how often they're serving Elon's tweets for A/B testing experiments: https://github.com/twitter/the-algorithm/blob/7f90d0ca342b928b479b512ec51ac2c3821f5922/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/feature_hydrator/RequestQueryFeatureHydrator.scala#L86-L95 https://github.com/twitter/the-algorithm/blob/7f90d0ca342b92...