[samstave]

FB does this in spades - as does google. And their goals with AI/ML is to have these tweaks done by AI - and let the humans only take glee in seeing their shipped code working and making results that make Zucks coffers happy.

FB ran an experiment of language across millions of users about a greeting sentiment and other syntax/context to see which types of phrases got the highest level of engagement... (I cant find the story, it was on NPR a few years ago...

When I was at FB they had a "build your own bar" event where each department were to build their own bar for happy hours, and then FB would give ~$400 or something like that to stock it up...

Down the rown from us was the ML/BI group of some sort - they had their bar up super fast and were having happy hours every day it seemed.... bunch of weird folks on that team, super smart, weird folks.